David Gergen: “I think the problem for John McCain is it does not change the dynamics of the race which have shifted in Barack Obama's…”

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 what we're seeing is the Aguero story just underscores how vital it is that we have a National Commission to investigate what happened on January 6th, and we cleared the air on it.

It would have almost Shakespearean qualities to it.

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