America's not the world's policeman. Terrible things happen across the globe and it is beyond our means to right every wrong. But when, with modest effort and risk, we can stop children from being gassed to death and thereby make our own children safer over the long run, I believe we should act.

I think [Donald Trump] has to do everything he can to set up a firewall between him and his businesses. But I think it's unrealistic for people to be saying, oh, he should just sell all of his businesses.

Every child in every neighborhood, of every color, class and background, deserves a school that will help them succeed.

The greatest threat to our national security is our debt. We borrow a million dollars a minute.

Out of regime change you get chaos. From the chaos you have seen repeatedly the rise of radical Islam. So we get this profession of, oh, my goodness, they want to do something about terrorism and yet they're the problem because they allow terrorism to arise out of that chaos.

To put everyone in government housing and food stamps and bring them in from around the world I think is a mistake. To give of your own money, I've given to my church. My church has helped people that came from Bosnia. That's a good thing.

Let's say tomorrow that there was a president, that we elected a president that eliminated the bulk collection of data. Let's just say it happened. What do you think would happen? People are like 'the sky would fall. We would be overrun with jihadists.' Maybe we could rely on the Constitution. Maybe we could get warrants. ... If you make the warrant specific, there's no limit to what you can get through a warrant.