David Gergen: “There must be a lot of pent-up frustration and anger in him, too, because it just -- he just seemed to erupt when it got…”

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

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.

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

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…