is it to snuff any competitors out, try to maintain a lead or this is the message they think can win? >> to jeff's point, the polling shows as well there is this moment of volatility right now in the campaign. i don't know that i would necessarily see that one poll suggesting that joe biden is having a dramatic dip. but there is volatility and democrats have not yet made up their minds. that is something i continuously hear from voters out on the campaign trail whether it's iowa or new hampshire in particular. there's a sense from voters that they do want some change. whether that is big structural change that elizabeth warren talks about or some of the more incremental changes joe biden refers to around health care, i don't know that voters clearly have a sense of that. we see this here as sort of big policy differentiations between the two, but you talk to voters and i can't tell you the amount of times i meet people and they say i like elizabeth warren but my second choice is joe biden. it doesn't jive with what we traditionally think when we look at the two candidates' policies. >> i think we all assume who's