We have to get control of our borders. You can only do that if you make companies obey the law and not hire undocumented or illegals. They can only do that is if they have a Social Security Card that has biometrics so they know whether the person is legal or not.

I don't think there's much difference between the two parties. I think whatever their constituents at the moment want, that's what they believe. If their constituents changed, they would change overnight.

We need to have more taxes, not less, and we need the taxes we have, certainly, to provide services - for defense and education and health care. We should not cut money here in order to cut taxes.

You must first be willing to fail — and you must have the courage to go for it anyway.

People vote against their own interests that all the time. But when you do the polling in the U.S., it has gone from less than 50 percent who thought climate change was real to 70-odd percent. And if you listen to the Republicans in Congress, they used to say, "Oh, climate change doesn't exist." Then they switched to "Well, it exists, but it's not man-made," to "Well, I'm going to address the issue." Why? Because when they go home, the local constituent says, "Wait a second. What are you talking about? We just had a flood. We haven't had rain in a long time." They can't get away from it.

Cities with clean air gain an economic advantage, because where people want to live and work, businesses want to invest.

There is no business in America that would be prevented from taking results into account when making personnel decisions.