I think this explanation of the USA’s two parties current operating methodologies is apt: Democrats = mediocrity; Republicans = lottery ticket. It’s undeniably snarky, but rings true.
Myself, I think most politicians of both these parties are dunderheads, and when not dunderheaded, deceptive. Though I tell you, that Howard Dean makes a heckuvan impression. But perhaps I’m biased because the dude has his own blog