Claire McCaskill: “It creates a real friction between those people who want privacy in this age that we are talking about, big data.”

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

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.

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.

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…