Claire McCaskill: “I do think that Joe Biden did a pretty good job tonight. He did get in at the end about uniting the country that this…”

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.

This is really, really bad. What they’re saying is, if you criticize the president of the United States, as an elected member of Congress, we will silence you.

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.

The culture wars? I've got to tell you, this time around, bring it, because I think that Democrats want to talk about abortion, and they want to talk about guns.