The point is that you see candidates running in these different kinds of contests. A primary shows you something that's different from a state party convention, which shows you something that is different than what a caucus shows you.

As parties began to develop around the turn of the 19th century, you had party nominees for President nominated in caucuses made up of party members in Congress.

We cannot be spun, or at least we'd like to think that we cannot be. And the presidents who are trying to - too overtly to try to say, here is what you historians and what you later Americans should think of my presidency, 30 or 40 years later, they look silly.

You don't say that for a senator to be a great senator he has to vote against his constituency.

Legacy is what a president does that affects later generations.

Under the system that we now have to nominate presidential candidates, for instance, I would prefer that we have a system that is closer to, say, the one we had in the 1960s.

We [the United States] are the world's only superpower right now, so everyone notices every bit of what we do or don't do.