David Gergen: “The bigger story of the day is the resignation of Jim Johnson.”

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

Sadly, you know, I think for a variety of reasons he should not. I just, I don't think either Trump or Biden should be running.

You can't out-Nixon Nixon very easily, but Donald Trump has.

If he had a receptive audience, and I will tell you, when everything -- when all the facts were to come out, it would be like Nixon and the tapes.