little bit more biting. that's less warm. the contrast is a big one between the two of them. but if we're voting for president based on who's funny or not, maybe we should elect larry david. >> joe biden might hit all of these buttons. obviously in polls, he trails clinton. against donald trump, he beat donald trump, he does better than hillary clinton does in the polls. and also would beat ben carson. is biden still the magic wand the democrats need? >> i'm pretty skeptical of general election polls. particularly when one of the people polled in this case, the vice president, is somebody who's not even in the race yet. if the vice president decides to get in, a big part of the case he's going to have to make is he is the most electable democrat, and he has strengths where clinton has weaknesses. so polls like this, would be proof points for him along the way. but you want to see those numbers again once he's in the race and facing some of the scrutiny that a candidate gets, that someone not in the race yet