The big question looming over the campaign now is, can Barack Obama hold his support or is the bottom going to drop out?

I think that some of the comments she made over the last few days, you know, she was scratching away, as Mark said. She was trying to push him down on this. But I think it also struck a lot of voters that it sounded somewhat phony.

I thought, overall, that what you saw tonight was just what Candy said. And that was that every time one of these potential criticisms came up, Hillary Clinton wanted to dig it in, and he wanted to get away from these kind of questions.

I was surprised that she continued to go negative on him, because I don't see the evidence.

More than half the people in the country now have a negative view of her, and more than half think they can't trust her.

there are no timetables in this. And there's also a sense in the country, you know, we're really pretty stuck here right now, aren't we?

the next president is going to -- especially if you're a Democrat, is going to face a dilemma, because you have promised the voters you want to get out. But, yet, as you look at it, you see, you know, if I get out too quickly, this whole…

there are going to be at least 100,000 troops still there... probably closer to 130,000, 140,000.

That kind of negative final fling, I think, would have doomed both of them, or could have.

I think there is an interesting question about what their message will be in the next couple of weeks and the weeks that follow.

Mark Penn's demotion could impact not just the Pennsylvania primary but the rest of the primaries to come.