Obama's energy chief outlines dire climate change scenario

Barack Obama's point man on energy issued a wake-up call today, warning that California with its agricultural bounty could be reduced to a dust bowl and its cities disappear unless there is timely action on climate change. The apocalyptic scenario sketched out by Steve Chu, the Nobel laureate appointed as energy secretary, was the clearest sign to date of the greening of America's political class under Obama. In blunt and frightening language, Chu said Americans had yet to fully understand the urgency...