David Gergen: “It's clear now that we have not just a financial crisis that's building up in this country but a political crisis.”

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

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

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.

I think the turning point that came were the midterm elections. The fever broke with those midterm elections. And what we've seen since then is a steady decline in Trump's credibility and in his position with the American people, and a…