for plantation dwellers. They aren't going to turn out in November if it is any of these clowns. Especially troublesome for them is if it is Bernie. He not only will not turn out blacks, he will also alienate white suburban voters. This is literally worse for them than McGovern.
https://www.seattletimes.com/nation-world/down-ballot-democrats-move-to-distance-themselves-from-sanders/