Michael Kruse made the point that, on the one hand, this seems all totally unprecedented in American politics on the other hand, it seems somehow utterly predictable in the context of the personality of Donald Trump.

I'm super grateful to everybody for this, what we're calling, The Emergency Session of the Trumpologists.I think, led us all to want to talk with the people who spent the most time studying and thinking about Trump. What does he do in his paramount moment of crisis? Help us to make sense of the sort of tumult unfolding around us.