David Gergen: “I think we need to know how we got here.”

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

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.

It's very, very big. Not legally, but politically, it's a very, very big deal.

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