David Gergen: “I think this is the first step. I think and I, you know, do think she deserves credit for doing it, but she's got a long…”

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.

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.

The midterms really helped him. They transformed the race, best midterm elections for any president in 20 years.