David Gergen: “It's fair game to go and talk about whether Bain had a private equity firm is good background to be a president or not.”

President of United States has not had a security briefing, or security briefing since October 2nd. I've never heard of any president, under any circumstances, come anywhere close to that, and been so derelict of the duty.

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 the Republicans need to have an intervention.

I think the evidence is still coming in that this country is deeply divided.