 has turned like a snarling dog against the guy who is leading their party. It's something I've never seen before in American politics. I'm not sure anyone has seen it before in American politics. The closest comp might be the Democratic rebellion against Hubert Humphrey as the nominee, the vice president to Lyndon Johnson, in 1968 after Johnson stepped out. But the reality is that even that is not comparable because Hubert Humphrey was not the sitting president of the United States at the time. The sitting president had already declared he wasn't running for re-election.