British PM Cameron Visits the White House in Washi

British PM Cameron Visits the White House in Washington

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U.S. President Barack Obama and the Prime Minister of the United Kingdom David Cameron meet in the Oval Office at the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

U.S. President Barack Obama and the Prime Minister of the United Kingdom David Cameron meet in the Oval Office at the White House in Washington, D.C. on March 14, 2012. UPI/Kevin Dietsch

Photo: upi.com, upi.com

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    • 1

      US President Barack Obama (R) smiles as British Prime Minister David Cameron makes a humorous point during a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

      10.00

    • 2

      U.S. President Barack Obama and the Prime Minister of the United Kingdom David Cameron meet in the Oval Office at the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      9.00

    • 3

      U.S. President Barack Obama delivers remarks during an arrival ceremony for the Prime Minister of the United Kingdom David Cameron on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      8.60

    • 4

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron share a laugh during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      8.50

    • 5

      U.S. First Lady Michelle Obama and Samantha Cameron (L) smile as they watch U.S. President Barack Obama and  British Prime Minister David Cameron review the troops during an official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      8.00

    • 6

      U.S. President Barack Obama smiles as British Prime Minister David Cameron makes a light comment during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      8.00

    • 7

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron greet children during an official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      8.00

    • 8

      U.S. President Barack Obama and the Prime Minister of the United Kingdom David Cameron meet in the Oval Office at the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      8.00

    • 9

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron walk off the stage during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      7.75

    • 10

      US President Barack Obama (R) shakes hands with British Prime Minister David Cameron as they conclude a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

      7.60

    • 11

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand together during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      7.22

    • 12

      U.S. President Barack Obama (L) and  British Prime Minister David Cameron (R)review the troops during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Colonial troops are in the backround.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      7.00

    • 13

      U.S. President Barack Obama applauds British Prime Minister David Cameron (not seen) as the British flag flies in the breeze in the background during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      7.00

    • 14

      Prime Minister of the United Kingdom David Cameron delivers remarks as U.S. President Barack Obama stands by during an official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      7.00

    • 15

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron greet children during an official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      7.00

    • 16

      British Prime Minister David Cameron makes a point  during a press conference with US President Barack Obama in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

      7.00

    • 17

      Vice President Joe Biden and his wife Jill wait for the arrival of the Prime Minister of the United Kingdom David Cameron and his wife Samantha during and official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      6.80

    • 18

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      6.78

    • 19

      U.S. President Barack Obama (R) talks to British Prime Minister David Cameron during a meeting in the Oval Office of the White House March 14, 2012 in Washington, DC. Cameron is on a three-day visit to the U.S. and he is expected to have talks with Obama on the situations in Afghanistan, Syria and Iran.  UPI/Aex Wong/Pool

      6.75

    • 20

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron share a laugh during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      6.40

    • 21

      From left to right, Treasury Secretary Tim Geithner, Secretary of State Hillary Clinton, Jill Biden, and Vice President Joe Biden wait for the arrival of the Prime Minister of the United Kingdom David Cameron and his wife Samantha during and official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      6.33

    • 22

      US President Barack Obama (R) and British Prime Minister David Cameron walk together as they begin a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

      6.25

    • 23

      The Fife and Drum Corp. perform for U.S. President Barack Obama and the Prime Minister of the United Kingdom David Cameron during and official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      6.12

    • 24

      U.S. President Barack Obama makes remarks to British Prime Minister David Cameron as the respective nation's flags fly in the breeze in the background during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      5.86

    • 25

      U.S. First Lady applauds as President Barack Obama makes a remark about Samantha Cameron during official arrival ceremonies for British Prime Minister David Cameron on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      5.62

    • 26

      U.S. President Barack Obama, British Prime Minister David Cameron, U.S. First Lady Michelle Obama and Samantha Cameron (R-L) wave from the balcony of the White House during in an official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      5.60

    • 27

      US President Barack Obama (R) shakes hands with British Prime Minister David Cameron as they conclude a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

      5.60

    • 28

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand together during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      5.50

    • 29

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron walk off the stage during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      5.50

    • 30

      U.S. President Barack Obama (L) and the Prime Minister of the United Kingdom David Cameron are escorted to review the troops during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      5.43

    • 31

      U.S. President Barack Obama, British Prime Minister David Cameron, U.S. First Lady Michelle Obama and Samantha Cameron (R-L) wave from the balcony of the White House during in an official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      5.40

    • 32

      US President Barack Obama (R) and British Prime Minister David Cameron take a question from a reporter during a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

      5.40

    • 33

      U.S. President Barack Obama and British Prime Minister David Cameron watch as the Old Guard marches by during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      5.31

    • 34

      British Prime Minister David Cameron escorts his wife Samantha Cameron from the limousine as U.S. President Barack Obama smiles during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      5.27

    • 35

      U.S. President Barack Obama (R) and British Prime Minister David Cameron shake hands after Cameron's remarks during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      5.22

    • 36

      U.S. President Barack Obama (L) and British Prime Minister David Cameron shake hands after Obama's remarks during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      5.22

    • 37

      U.S. President Barack Obama (R) talks to British Prime Minister David Cameron during a meeting in the Oval Office of the White House March 14, 2012 in Washington, DC. Cameron is on a three-day visit to the U.S. and he is expected to have talks with Obama on the situations in Afghanistan, Syria and Iran.  UPI/Aex Wong/Pool

      5.22

    • 38

      US President Barack Obama makes remarks during a press conference with British Prime Minister David Cameron in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

      5.12

    • 39

      British Prime Minister David Cameron makes remarks as U.S. President Barack Obama welcomes him during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      5.00

    • 40

      U.S. President Barack Obama (L) and the Prime Minister of the United Kingdom David Cameron are escorted to review the troops during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      5.00

    • 41

      U.S. President Barack Obama shakes hands with Prime Minister of the United Kingdom David Cameron during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      5.00

    • 42

      U.S. President Barack Obama and First Lady Michelle Obama share a laugh as they welcome Prime Minister of the United Kingdom David Cameron and his wife Samantha during and official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      5.00

    • 43

      The Fife and Drum Corp. perform for U.S. President Barack Obama and the Prime Minister of the United Kingdom David Cameron during and official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      4.90

    • 44

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand for their national anthems during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      4.90

    • 45

      U.S. President Barack Obama (L) and  British Prime Minister David Cameron (R)review the troops during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Colonial troops are in the background.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      4.79

    • 46

      U.S. President Barack Obama and British Prime Minister David Cameron listen to the British National Anthem during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      4.78

    • 47

      U.S. President Barack Obama (R) talks to British Prime Minister David Cameron during a meeting in the Oval Office of the White House March 14, 2012 in Washington, DC. Cameron is on a three-day visit to the U.S. and he is expected to have talks with Obama on the situations in Afghanistan, Syria and Iran.  UPI/Aex Wong/Pool

      4.75

    • 48

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron share a laugh during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      4.71

    • 49

      US President Barack Obama (R) and British Prime Minister David Cameron shake hands after Obama's opening remarks during a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

      4.71

    • 50

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron greet children during an official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      4.60

    • 51

      U.S. President Barack Obama (R) and British Prime Minister David Cameron shake hands after Cameron's remarks during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      4.50

    • 52

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron share a laugh during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      4.50

    • 53

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron greet children during an official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      4.50

    • 54

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand for their national anthems during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      4.14

    • 55

      British Prime Minister David Cameron makes a point during a press conference with US President Barack Obama in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

      3.67

    • 56

      U.S. President Barack Obama (L) and British Prime Minister David Cameron shake hands after Obama's remarks during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      3.50

    • 57

      U.S. President Barack Obama and British Prime Minister David Cameron review the troops during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      3.00

    • 58

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron walk off the stage during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      3.00

    • 59

      U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand together during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      3.00

    • 60

      U.S. President Barack Obama, British Prime Minister David Cameron, U.S. First Lady Michelle Obama and Samantha Cameron (R-L) wave from the balcony of the White House during in an official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      2.75

    • 61

      U.S. President Barack Obama and British Prime Minister David Cameron review the troops during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      2.75

    • 62

      U.S. President Barack Obama and British Prime Minister David Cameron watch as the Old Guard marches by during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      2.70

    • 63

      U.S. President Barack Obama (L) and  British Prime Minister David Cameron (R)review the troops during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

      2.00

    • 64

      U.S. President Barack Obama (R) talks to British Prime Minister David Cameron during a meeting in the Oval Office of the White House March 14, 2012 in Washington, DC. Cameron is on a three-day visit to the U.S. and he is expected to have talks with Obama on the situations in Afghanistan, Syria and Iran.  UPI/Aex Wong/Pool

      2.00

    • 65

      U.S. President Barack Obama delivers remarks during an arrival ceremony for the Prime Minister of the United Kingdom David Cameron on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

      2.00

Number next to photo is average rating of all user ratings for current photo

  • U.S. President Barack Obama and British Prime Minister David Cameron watch as the Old Guard marches by during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    1

  • U.S. President Barack Obama and British Prime Minister David Cameron watch as the Old Guard marches by during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    2

  • U.S. First Lady Michelle Obama and Samantha Cameron (L) smile as they watch U.S. President Barack Obama and  British Prime Minister David Cameron review the troops during an official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    3

  • British Prime Minister David Cameron escorts his wife Samantha Cameron from the limousine as U.S. President Barack Obama smiles during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    4

  • U.S. President Barack Obama (L) and  British Prime Minister David Cameron (R)review the troops during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Colonial troops are in the backround.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    5

  • U.S. President Barack Obama (L) and  British Prime Minister David Cameron (R)review the troops during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    6

  • U.S. President Barack Obama (L) and  British Prime Minister David Cameron (R)review the troops during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Colonial troops are in the background.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    7

  • British Prime Minister David Cameron makes remarks as U.S. President Barack Obama welcomes him during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    8

  • U.S. President Barack Obama applauds British Prime Minister David Cameron (not seen) as the British flag flies in the breeze in the background during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    9

  • U.S. President Barack Obama smiles as British Prime Minister David Cameron makes a light comment during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    10

  • U.S. President Barack Obama makes remarks to British Prime Minister David Cameron as the respective nation's flags fly in the breeze in the background during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    11

  • U.S. First Lady applauds as President Barack Obama makes a remark about Samantha Cameron during official arrival ceremonies for British Prime Minister David Cameron on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    12

  • U.S. President Barack Obama (R) and British Prime Minister David Cameron shake hands after Cameron's remarks during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    13

  • U.S. President Barack Obama (L) and British Prime Minister David Cameron shake hands after Obama's remarks during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    14

  • U.S. President Barack Obama (R) and British Prime Minister David Cameron shake hands after Cameron's remarks during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    15

  • U.S. President Barack Obama (L) and British Prime Minister David Cameron shake hands after Obama's remarks during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    16

  • U.S. President Barack Obama, British Prime Minister David Cameron, U.S. First Lady Michelle Obama and Samantha Cameron (R-L) wave from the balcony of the White House during in an official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    17

  • U.S. President Barack Obama, British Prime Minister David Cameron, U.S. First Lady Michelle Obama and Samantha Cameron (R-L) wave from the balcony of the White House during in an official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    18

  • U.S. President Barack Obama, British Prime Minister David Cameron, U.S. First Lady Michelle Obama and Samantha Cameron (R-L) wave from the balcony of the White House during in an official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    19

  • U.S. President Barack Obama and British Prime Minister David Cameron review the troops during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    20

  • U.S. President Barack Obama and British Prime Minister David Cameron review the troops during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    21

  • U.S. President Barack Obama and British Prime Minister David Cameron listen to the British National Anthem during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..

    22

  • U.S. President Barack Obama (R) talks to British Prime Minister David Cameron during a meeting in the Oval Office of the White House March 14, 2012 in Washington, DC. Cameron is on a three-day visit to the U.S. and he is expected to have talks with Obama on the situations in Afghanistan, Syria and Iran.  UPI/Aex Wong/Pool

    23

  • U.S. President Barack Obama (R) talks to British Prime Minister David Cameron during a meeting in the Oval Office of the White House March 14, 2012 in Washington, DC. Cameron is on a three-day visit to the U.S. and he is expected to have talks with Obama on the situations in Afghanistan, Syria and Iran.  UPI/Aex Wong/Pool

    24

  • U.S. President Barack Obama (R) talks to British Prime Minister David Cameron during a meeting in the Oval Office of the White House March 14, 2012 in Washington, DC. Cameron is on a three-day visit to the U.S. and he is expected to have talks with Obama on the situations in Afghanistan, Syria and Iran.  UPI/Aex Wong/Pool

    25

  • U.S. President Barack Obama (R) talks to British Prime Minister David Cameron during a meeting in the Oval Office of the White House March 14, 2012 in Washington, DC. Cameron is on a three-day visit to the U.S. and he is expected to have talks with Obama on the situations in Afghanistan, Syria and Iran.  UPI/Aex Wong/Pool

    26

  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron share a laugh during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

    27

  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron share a laugh during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

    28

  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron share a laugh during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

    29

  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand together during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

    30

  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron greet children during an official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

    31

  • The Fife and Drum Corp. perform for U.S. President Barack Obama and the Prime Minister of the United Kingdom David Cameron during and official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

    32

  • The Fife and Drum Corp. perform for U.S. President Barack Obama and the Prime Minister of the United Kingdom David Cameron during and official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

    33

  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

    34

  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand for their national anthems during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

    35

  • U.S. President Barack Obama (L) and the Prime Minister of the United Kingdom David Cameron are escorted to review the troops during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama (L) and the Prime Minister of the United Kingdom David Cameron are escorted to review the troops during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron walk off the stage during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron walk off the stage during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron walk off the stage during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • Prime Minister of the United Kingdom David Cameron delivers remarks as U.S. President Barack Obama stands by during an official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama shakes hands with Prime Minister of the United Kingdom David Cameron during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama delivers remarks during an arrival ceremony for the Prime Minister of the United Kingdom David Cameron on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand together during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand together during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron share a laugh during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand for their national anthems during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama delivers remarks during an arrival ceremony for the Prime Minister of the United Kingdom David Cameron on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron greet children during an official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron greet children during an official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron greet children during an official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama and the Prime Minister of the United Kingdom David Cameron meet in the Oval Office at the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama and the Prime Minister of the United Kingdom David Cameron meet in the Oval Office at the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • U.S. President Barack Obama and First Lady Michelle Obama share a laugh as they welcome Prime Minister of the United Kingdom David Cameron and his wife Samantha during and official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • From left to right, Treasury Secretary Tim Geithner, Secretary of State Hillary Clinton, Jill Biden, and Vice President Joe Biden wait for the arrival of the Prime Minister of the United Kingdom David Cameron and his wife Samantha during and official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • Vice President Joe Biden and his wife Jill wait for the arrival of the Prime Minister of the United Kingdom David Cameron and his wife Samantha during and official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin Dietsch

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  • US President Barack Obama (R) shakes hands with British Prime Minister David Cameron as they conclude a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

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  • US President Barack Obama (R) shakes hands with British Prime Minister David Cameron as they conclude a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

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  • US President Barack Obama (R) and British Prime Minister David Cameron walk together as they begin a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

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  • US President Barack Obama (R) and British Prime Minister David Cameron shake hands after Obama's opening remarks during a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

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  • US President Barack Obama (R) smiles as British Prime Minister David Cameron makes a humorous point during a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

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  • British Prime Minister David Cameron makes a point during a press conference with US President Barack Obama in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

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  • US President Barack Obama makes remarks during a press conference with British Prime Minister David Cameron in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

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  • British Prime Minister David Cameron makes a point  during a press conference with US President Barack Obama in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

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  • US President Barack Obama (R) and British Prime Minister David Cameron take a question from a reporter during a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler

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U.S. President Barack Obama and British Prime Minister David Cameron watch as the Old Guard marches by during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. First Lady Michelle Obama and Samantha Cameron (L) smile as they watch U.S. President Barack Obama and  British Prime Minister David Cameron review the troops during an official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..British Prime Minister David Cameron escorts his wife Samantha Cameron from the limousine as U.S. President Barack Obama smiles during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama (L) and  British Prime Minister David Cameron (R)review the troops during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Colonial troops are in the backround.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama (L) and  British Prime Minister David Cameron (R)review the troops during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama (L) and  British Prime Minister David Cameron (R)review the troops during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Colonial troops are in the background.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..British Prime Minister David Cameron makes remarks as U.S. President Barack Obama welcomes him during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama applauds British Prime Minister David Cameron (not seen) as the British flag flies in the breeze in the background during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama smiles as British Prime Minister David Cameron makes a light comment during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama makes remarks to British Prime Minister David Cameron as the respective nation's flags fly in the breeze in the background during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. First Lady applauds as President Barack Obama makes a remark about Samantha Cameron during official arrival ceremonies for British Prime Minister David Cameron on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama (R) and British Prime Minister David Cameron shake hands after Cameron's remarks during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama (L) and British Prime Minister David Cameron shake hands after Obama's remarks during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama (R) and British Prime Minister David Cameron shake hands after Cameron's remarks during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama (L) and British Prime Minister David Cameron shake hands after Obama's remarks during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama, British Prime Minister David Cameron, U.S. First Lady Michelle Obama and Samantha Cameron (R-L) wave from the balcony of the White House during in an official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama, British Prime Minister David Cameron, U.S. First Lady Michelle Obama and Samantha Cameron (R-L) wave from the balcony of the White House during in an official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama, British Prime Minister David Cameron, U.S. First Lady Michelle Obama and Samantha Cameron (R-L) wave from the balcony of the White House during in an official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama and British Prime Minister David Cameron review the troops during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama and British Prime Minister David Cameron review the troops during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama and British Prime Minister David Cameron listen to the British National Anthem during the official arrival ceremony on the South Lawn of the White House In Washington DC on March 14, 2012.  Cameron is on a three-day visit to the United States.     UPI/Pat Benic..U.S. President Barack Obama (R) talks to British Prime Minister David Cameron during a meeting in the Oval Office of the White House March 14, 2012 in Washington, DC. Cameron is on a three-day visit to the U.S. and he is expected to have talks with Obama on the situations in Afghanistan, Syria and Iran.  UPI/Aex Wong/PoolU.S. President Barack Obama (R) talks to British Prime Minister David Cameron during a meeting in the Oval Office of the White House March 14, 2012 in Washington, DC. Cameron is on a three-day visit to the U.S. and he is expected to have talks with Obama on the situations in Afghanistan, Syria and Iran.  UPI/Aex Wong/PoolU.S. President Barack Obama (R) talks to British Prime Minister David Cameron during a meeting in the Oval Office of the White House March 14, 2012 in Washington, DC. Cameron is on a three-day visit to the U.S. and he is expected to have talks with Obama on the situations in Afghanistan, Syria and Iran.  UPI/Aex Wong/PoolU.S. President Barack Obama (R) talks to British Prime Minister David Cameron during a meeting in the Oval Office of the White House March 14, 2012 in Washington, DC. Cameron is on a three-day visit to the U.S. and he is expected to have talks with Obama on the situations in Afghanistan, Syria and Iran.  UPI/Aex Wong/PoolU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron share a laugh during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron share a laugh during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron share a laugh during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand together during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron greet children during an official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschThe Fife and Drum Corp. perform for U.S. President Barack Obama and the Prime Minister of the United Kingdom David Cameron during and official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschThe Fife and Drum Corp. perform for U.S. President Barack Obama and the Prime Minister of the United Kingdom David Cameron during and official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand for their national anthems during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (L) and the Prime Minister of the United Kingdom David Cameron are escorted to review the troops during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (L) and the Prime Minister of the United Kingdom David Cameron are escorted to review the troops during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron walk off the stage during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron walk off the stage during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron walk off the stage during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschPrime Minister of the United Kingdom David Cameron delivers remarks as U.S. President Barack Obama stands by during an official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama shakes hands with Prime Minister of the United Kingdom David Cameron during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama delivers remarks during an arrival ceremony for the Prime Minister of the United Kingdom David Cameron on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand together during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand together during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron share a laugh during Cameron's official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron stand for their national anthems during an arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama delivers remarks during an arrival ceremony for the Prime Minister of the United Kingdom David Cameron on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron greet children during an official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron greet children during an official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama (R) and the Prime Minister of the United Kingdom David Cameron greet children during an official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama and the Prime Minister of the United Kingdom David Cameron meet in the Oval Office at the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama and the Prime Minister of the United Kingdom David Cameron meet in the Oval Office at the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschU.S. President Barack Obama and First Lady Michelle Obama share a laugh as they welcome Prime Minister of the United Kingdom David Cameron and his wife Samantha during and official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschFrom left to right, Treasury Secretary Tim Geithner, Secretary of State Hillary Clinton, Jill Biden, and Vice President Joe Biden wait for the arrival of the Prime Minister of the United Kingdom David Cameron and his wife Samantha during and official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschVice President Joe Biden and his wife Jill wait for the arrival of the Prime Minister of the United Kingdom David Cameron and his wife Samantha during and official arrival ceremony on the South Lawn of the White House in Washington, D.C. on March 14, 2012.  UPI/Kevin DietschUS President Barack Obama (R) shakes hands with British Prime Minister David Cameron as they conclude a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike TheilerUS President Barack Obama (R) shakes hands with British Prime Minister David Cameron as they conclude a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike TheilerUS President Barack Obama (R) and British Prime Minister David Cameron walk together as they begin a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike TheilerUS President Barack Obama (R) and British Prime Minister David Cameron shake hands after Obama's opening remarks during a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike TheilerUS President Barack Obama (R) smiles as British Prime Minister David Cameron makes a humorous point during a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike TheilerBritish Prime Minister David Cameron makes a point during a press conference with US President Barack Obama in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike TheilerUS President Barack Obama makes remarks during a press conference with British Prime Minister David Cameron in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike TheilerBritish Prime Minister David Cameron makes a point  during a press conference with US President Barack Obama in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike TheilerUS President Barack Obama (R) and British Prime Minister David Cameron take a question from a reporter during a press conference in the Rose Garden of the White House, March 14, 2012, Washington, DC. The two leaders discussed the situation in Afghanistan, negotiations with Iran on nuclear proliferation and humanitarian efforts in Syria, as well as economic issues.       UPI/Mike Theiler