David Gergen actually said...

I think what we're seeing is a slowly unfolding coronation. Each day, it becomes more and more clear he's going to become the candidate.

It's also partly about trying to frame the race and trying to give -- to begin to introduce what is this race all about.

I think it's -- it's one more step in the endgame that we're in right now. And she clearly knows that this is almost over, and she's shifted...

To joke about guns and Barack Obama is the single most tasteless thing one can do in American politics.