David Gergen: “Yes, I think that they -- that the -- that the Democrats have thrown down the gauntlet.”

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…

You can stand up and say we shouldn't be doing this because it's unconstitutional. Therefore, I never have to come to say whether I agree or disagree whether he incited the riot.

I think we're in an unsustainable path. It's compared to being in a car on the edge of a cliff, and middle of the night with it with a rainy and no headlights.

It is time keep an eye on the Republicans in the Senate.