I think Saudi Arabia often finances radical Islam and the teaching of hatred to the West and hatred of Americans. I think it is important that we know that. It's important that we know that there is a threat within and a threat without. I think we can stop it with more aggressive use of actual constitutional tools.

I think we can all agree [Bashar] Assad is a bad and evil actor, but I'm not so sure that we want the Islamic rebels to be in charge of Syria either.

You don't know who the next group is that's unpopular. The Bill of Rights isn't for the prom queen. The bill of rights isn't for the high school quarterback. The Bill of Rights is for the least among us. The Bill of Rights is for minorities. The Bill of Rights is for those who have minority opinions.

Any time someone tries to tell you that metadata is 'meaningless, don't worry, it's just who you call, it's just phone records, it's not a big deal' - realize we kill people based on metadata. So they must be pretty darn certain that they think they know something based on metadata.

We shouldn't be fearful of freedom, we shouldn't be fearful of individual liberty.

I would have never released the sanctions [for Iran] before there was consistent evidence of compliance.

I will tell , though, that Donald Trump got 70 percent in eastern Kentucky and I don't think it had anything to do with the Russian. He got 70 percent because in eastern Kentucky we didn't like what President [Barack] Obama or Hillary Clinton wanted to do to our coal jobs. It didn't have anything to do with the Russians.