The great and abiding lesson of American history, particularly the Cold War, is that the engine of capitalism - the individual - is mightier than any collective.

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.

The president began this program by executive order. He should immediately end it by executive order. For over a year now, he has said the program is illegal, and yet he does nothing.

We still need to secure our southern border. The other thing I would say is we need to secure who visits us in the country.

I think the problem with John Bolton is he disagrees with President Trump's foreign policy. He would be closer to John McCain's foreign policy. John Bolton still believes the Iraq war was a good idea. He still believes that regime change is a good idea. He still believes that nation-building is a good idea.

I think it's a mistake to downgrade and say surveillance is no big deal. It is a huge deal that we are collecting millions of Americans phone calls and that someone can go to a keyboard and put your name in and search it without a warrant.

For most of our history, no one dared to tell Americans, you don't build that.