john, you talked about the delegate lead right now. joe biden, more than 300 delegates ahead, 1,086 delegates. the key number is 1,991. that's what biden needs to clinch. already halfway there. take a look at the percentages right now. biden has won 55% of pledged delegates. that means he can win less than half of the delegates remaining on the way of this track and he can still win the nomination. at this point in time, at this stage in the primary, no democratic candidate has ever come back from more than 300 delegates down. and there is also the wild card here. there are still many open questions about how many primaries are left. when will people actually vote? the biggest question of all, though, what is bernie sanders going to do? the biggest outstanding primary left for the sanders campaign, probably wisconsin, in a couple of weeks. but if you look at what's happened in the midwest over the course of the last couple weeks, you look at michigan, you look at illinois, minnesota, those haven't been good states for bernie sanders, so what's he going to do? the race looks like it's answered the question for him, alisyn, but we'll have to wait for th