If you're going to become, as Mary says, a serious presidential contender, you have to go beyond the lines of make a crowd whoop and cheer and you have to be presidential.

I find it an interesting new development in politics that President Obama's authorized his staff to -- they went after Huntsman, they have gone after Perry, they have gone after Romney.

If I were President Obama, I'd be very careful about going after Mitt Romney on his flip-flops, where indeed he did change his position on gay rights and on abortion.

If I were President Obama, I would be very careful about going after Mitt Romney on his flip-flops, where indeed he did change his position on gay rights and on abortion.

There are going to be two major factors. One, do Republicans like the -- the person who's going to be the nominee? Do they ideologically agree with that person? But also electability is also a slice of the decision-making pie.

He ran against extending the Bush tax cuts, he extended the Bush tax cuts.

He indicated George Bush violated the Constitution and now Barack Obama, of course, is keeping up with indefinite detention, warrantless wiretaps, secret renditions, keeping Guantanamo open.

I think it continues to show how fluid and open the Republican race is.

It seems they really want to play a hand in this primary.

It's just a surprise to me, it looks like they're going to go after as many as they can.

Barack Obama has so many more of those on his own which is when he was a senator, he voted against raising the debt limit and then of course he wanted to raise the debt limit.

I never did. I don't really know anybody who did think she would get in. But now that she's not, you know, it's a good thing for the Republican field. It removes what would have been an element of chaos in the Republican Party and this…

If he had brought it out himself, it would have been very different.

There's this sense in Republican politics that almost does no matter who you are, what you do, you will get accused of being a racist.

There’s just this sense in Republican politics that almost doesn’t matter who you are and what you do, you’ll get accused of being a racist. And when it happens, people rally.

Herman Cain is resonating because he's got that outsider perspective.

He can't win because people think he can't win.

But clearly there are blocs in this country who vote the way they do.