Claire McCaskill: “It's crucial that we address these issues head-on.”

This is a guy who is really out of touch. I mean let me count the ways the legitimacy can be questioned.

The suburban women of America. And Marco Rubio is one of many candidates who thinks the government should force birth on a victim of incest. That is not going to fly with American women. And I think they’re going to turn out.

I think it would be very hard for him, with the abortion -- anti-abortion forces in this country that are totally Republican, I think it would be very hard for him to not let there be a vote.

Maybe we'll learn that extremes are not healthy for general elections.