Chuck Hagel: “My support of Israel's security is and always has been very clear. I strongly support Israel.”

No one person should ever govern a party. That’s not the point of political parties. Political parties must be diverse, have different opinions.

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

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

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.