They know that if Trump is successful, it’s all over for them for a very, very long time.
Trump could potentially set International Socialism back even further than Reagan did. They didn't think anyone could set them back at all - they had the GOP House and Senate all cowed, except for a few cranks. Now, after feeling themselves to be on the brink of total victory last Fall, they are watching it all start to unravel. And they are becoming hysterical - and dangerous.