David Gergen: “It sounds more likely that he could be a secretary of state or secretary of defense, perhaps.”

It's increasingly hard to govern.

I think the evidence is still coming in that this country is deeply divided.

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…

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.