I think that most of the candidates [for presidency] can't run the railroad, and I still worry that whoever gets elected will have policies designed for political rather than practical reasons.

Yes, they broke the law, but we can't deport them. Let's get over this pointing fingers and do something about that, whether it - they have to pay a fine, learn to speak English, the history, you can do that. And then you have to give visas for the skills we need.

America is built around this premise that you can do it, and there are an awful lot of people who are unlikely to have done it who did.

Donald Trump says he wants to run America like he's running his business? God help us.

When it comes to public school education, we have been unwilling to measure our results. We've been unwilling to pay based on performance. We have tenure where, even if you can't teach, you can't get fired. We've been unwilling to invest in new schools.

I'm worried about the world because there's chaos in the Middle East, and I think the Iranian deal [to lift sanctions] is going to continue the Shia-Sunni battles, the Persian-Arab battles.

Trees will improve property values, take pollutants out of the air, help with water runoff.