electorate overall. he's touting that support from black voters. he's touting support from latino voters and saying that kind of working class, his communications director said it interestingly on television the other day that no democrat should be able to win the nomination without black support, she said. that's a challenge towards warren and sanders to say unless you can kind of break up the coalition we have now, that looks a little blacker and browner than necessarily campaigns have tried to participate them as, they're saying that that is what qualifies them most uniquely to be the democratic nominee. i think that's an interesting argument. >> it sounds like he didn't mince words. did he actively criticize warren and sanders? >> now, he didn't mention them by name but the subtext is pretty clear. the ones he did mention is senator kamala harris. he said specifically talking about black supporters, i don't think anyone agrees with her when she says i don't think he's a racist but.