As this expert explains - BO knows nothing about global warming.
I refuse, btw, to call the topic "climate change", because CC was a disingenous attempt to divert attention from the leftists' original title - GLOBAL WARMING - which was quickly proven to be untrue. So they chose "climate change" to confuse the issue. The issue being, the elitists are on a never-ending quest to pick your pocket. As in: