In reply to David Hooper:
BHO needs to tread really carefully on this. The environment, I suspect, is the thing he knows he needs to do, and knows there are no votes in. Want to be the president who introduced 21-century green austerity to the US? Who presided over $4 dollars a gallon for the first time?
It's got to happen, for the good of the whole of the world for the whole of the future, but it's terribly difficult to do. If he appoints Al Gore, the media will give him pelters... which is not to say he shouldn't.