David Gergen: “The president has been following a polarizing strategy ever since he was in trouble.”

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 comes out and throws cold water on this, then I don't think it goes anywhere.

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.

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.