David Gergen: “It's a precedent-setting issue.”

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.

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

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.