Well, there are many things, whenever you look back, that you would've done differently. We're all human. We do our best at the time. I really wish that we had passed a comprehensive immigration bill because that would've really helped our country. We came close, but we couldn't.

America's still a very, very powerful symbol and a very important place of leadership for the world.

My parents elected me president of the family when I was 4. We actually had an election every year and I always won. I'm an only child, and I could count on my mother's vote.

Defeating human trafficking is a great moral calling of our time...

We have to recognize that the reason that the global order that we've enjoyed and almost take for granted over the last several years exists is that after World War II, the United States and its allies tried to build an antidote to what they had seen between World War I and World War II. There, they'd seen protectionism, beggar-thy-neighbor trading policies, so they said, we'll build an open international economy. And they did that.

To say that people around the world deserve the same, the same life that we have in the United States, the same freedoms that we have, that seems to me, humble. I think it's humble to say that the United States, which has been given so much, should give back.

America is a remarkable place in that social attitudes change almost imperceptibly, and then you wake up the next day and they've changed. But they've been changing all the time.