>> i was amused at the president saying he could reprise the racist slurs as if he had stopped doing them. not that they had not stuck. that will be something to watch here. it's an issue, aside from the polling thing, of enthusiasm versus pragmatism. that's been a story since the beginnings of the primary season. we talk about biden's electability, his prominence has been cut into a little bit what does that say to you about that argument which is central to what the democrats are dealing with >> i think elizabeth warren and joe biden even though they're close in age look totally different on the campaign trail, on the national stage during debates. joe biden is familiar to a lot of people. i think that's why he's leading the polls so far. elizabeth warren brings something refreshing and predictable to people. this message that she's been belaboring over and over about i have a plan. here's how will i pay for it people want to know how you will pay for things. people don't like when...