Oh, PLLLEEEASE! Why would ANYONE want to prove themselves a complete idiot in such spectacular fashion??
The Goracle would be nuts to give up his present gig to "save the world" by running for POTUS. If he ever enters the political fray again, he would be forced to debate his whacked out end-of-the-world doomsday cult. Sitting on his Hollywood throne, he can merely wave his hand dismissively at the nonbelievers, pronounce "consensus", and continue to rake in millions from the true believers as he basks in their admiration.
Sweet deal if you can get it.