David Gergen: “I think the main thing is to represent the President around the world.”

It's very, very big. Not legally, but politically, it's a very, very 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 don't think Trump is out of the woods, even though his poll numbers are not only staying up, they have actually been strengthened some.

The midterms really helped him. They transformed the race, best midterm elections for any president in 20 years.