David Gergen: “No. No. I'm not a psychiatrist. I don't know what to -- how to describe him. But I can tell you the behavior is nuts.”

If he comes out and throws cold water on this, then I don't think it goes anywhere.

I don't think Trump is out of the woods, even though his poll numbers are not only staying up, they have actually been strengthened some.

The midterms really helped him. They transformed the race, best midterm elections for any president in 20 years.

I think a lot of Americans do see it as disqualifying. And they're worried about it.