David Gergen: “I think Obama signaled today that he wants to make some changes if we go to the second half of this.”

It's very, very big. Not legally, but politically, it's a very, very big deal.

I think Chuck Schumer will have to pay more attention.

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

I think it's going to take something usually unexpected or a dramatic change in his health or a prison sentence to stop him.