elizabeth warren, 15% for bernie sanders. joining me now, weekend today co-host kristen welker and steve kornacki at the big board. kristen, first to you, you've been with the bidens throughout this whole really incredible 72 hours. this comeback, first of all, what is their strategy going forward? are they likely to make the kinds of changes that jim clyburn has been pushing for? will they accept mike bloomberg's help? >> reporter: well, i think they're taking a hard look at that advice that jim clyburn is giving them, the fact that he is saying they do need to in some aspects retool their campaign. there's no doubt that his endorsement was hugely significant in terms of that win that we saw in south carolina which really turned this entire race around. you saw that tweet from biden praising bloomberg, his candidacy, and bloomberg saying he's going to endorse joe biden. that is hugely significant. and there's the tweet there