David Gergen: “The two of them have turned against this president is a serious matter, it's a big deal.”

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 signs are just as Margaret says. They are saying that he is increasingly interested. Strikingly, Anderson, his interest seems to intensify when he sees Biden in trouble.

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

I think the Republicans need to have an intervention.