David Gergen: “He has been a man of courage, but in this case, a profile in courage -- of courage is actually backfiring on him.”

One more sign that he just doesn't give a damn how he changes our traditions and overrides our norms.

I think it's going to take something usually unexpected or a dramatic change in his health or a prison sentence to stop him.

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…

I think Chuck Schumer will have to pay more attention.