Claire McCaskill: “But how do you know that without investigating?”

There is an over-classification problem, and I was surprised Secretary Gates didn't mention it.

He has shown tremendous strength in terms of unifying NATO.

I have won when the polls said I couldn't and I have lost when the polls said I would win, so I am not a big believer in all of the horse race stuff.

This is not Joe Biden. We have some of the least inflation in the developed world.