Claire McCaskill: “I believe one of the most serious threats facing the United States is North Korea's nuclear program.”

I think that, fundamentally, voters do understand that we have very, very low unemployment. They see it in their families, that everybody has jobs, everybody can get jobs, their jobs are paying slightly better.

This is never a referendum. Presidential elections, by the time they run around, is always, 'well, who do you like slightly better than the two you don't like?' So it is a binary choice.

I'm always optimistic. And I do think this is brutal. And people who think that body cams on police officers are not doing what they should, I get that. This young man died. But we now know exactly what happened. So, it does make a…

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