Ultimately, I remain optimistic about not just America's future, but the direction that the world is growing.

I don't want you folks to do a lot of talking. Just shut up and get out of the way.

Since I've been in the Senate, is that my work with people like Tom Coburn on opening up transparency in government, making sure that every dollar the federal government spends that's out there - that that's all posted on a searchable database on the Internet.

The Balkanization of the media means that nobody is having a single conversation with a single set of agreed-upon facts and assumptions the way you had as recently as the 90s.

Focusing your life solely on making a buck shows a poverty of ambition. It asks too little of yourself. And it will leave you unfulfilled.

I think that we are in a position to continue to make progress, but it's gonna require us to both recognize what the problems are, also recognize the progress we've made. Last point I'd make on this, since we're on criminal justice: During the course of my presidency crime has been the lowest it's been probably since the '60s.

Presidential elections always turn on personalities, they turn on how campaigns are run, they turn on natural desires for change.