David Gergen: “I don't think either of them yet has persuaded the country that they can do that.”

It's increasingly hard to govern.

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

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.

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…