President Obama, the Climate President

So Barack Obama has flown over to the G20 Summit in London with 500 people and several identical helicopters, most of which are flying solely as decoys to potential assassins. To talk about climate change as a small (and probably completely perfunctory) part of the agenda of a conference that will involve just 4 and a bit hours of talks.

May be a clue there about a) exactly how much difference this will make, and b) what the cause of climate change is. Thank God the protestors are there: otherwise it would seem like a complete waste of time.