NASA Administrator Michael Griffin Questions Need to Combat Warming NASA administrator Michael Griffin is drawing the ire of his agency's preeminent climate scientists after apparently downplaying the need to combat global warming. In an interview broadcast this morning on National Public Radio's "Morning Edition" program, Griffin was asked by NPR's Steve Inskeep whether he is concerned about global warming. "I have no doubt that a trend of global warming exists," Griffin told Inskeep. "I am not sure that it is fair to say that it is a problem we must wrestle with." "To assume that it is a problem is...