Chuck Hagel: “Climate change is a national security threat.”

I think the GOP is in a lot of trouble. And I do think an encouraging sign, I think the strong control that Mr. Trump has exercised over the Republican Party is dwindling.

When the National Guard opened up on students and killed students, partly because they weren't trained, they panicked.

This is so unpredictable. And we've never seen anything quite like this in our lifetime, so there is no playbook here.

This is really authoritarian.