i think a real question here is, again, errin is absolutely right. in these states like michigan, like pennsylvania, like wisconsin, the margins aren't going to matter, so are there enough people in these groups, for the women, frustrated moderates, that they could vote for trump. possibly, but he always has and brings to this public enthusiasm, excitement, and he's looking to galvanize more voters from areas he won big last time. >> on the flip side of that, just quickly, if you end up with biden as the nominee, do a lot of those warren and sanders voters stay home? we know exactly that that was the problem with hillary clinton. >> the only thing i would add is, this is the question, right? this is the question of the, is that the way to win? or do you get your base to come out in a major way because they're excited about big structural change. >> we're in a very complicated primary. >> all i would say is, to your point, i'm not sure that this is a big pool of voters. the state that matters will tip on 10 to 20% of votes. whoever comes out of this w