I think Republicans will not win again in my lifetime ... unless they become a new GOP, a new Republican Party. And it has to be a transformation. Not a little tweaking at the edges.

Is Donald Trump a serious candidate? The reason I ask this is, if you're going to close the Internet, realize, America, what that entails. That entails getting rid of the First amendment, ok? It's no small feat.

Every chance at destabilizing [Bashar] Assad... the bombing campaign causes a flood of refugees into Jordan, there's already half a million in Jordan. I think a bombing campaign - I think it's hard to argue that a U.S. bombing campaign is going to cause less refugees. And I think it causes more refugees and more of a humanitarian disaster. I think it causes, or allows, the risk of Israel being attacked with a gas attack to go up, if we attack Assad. So there's all kinds of bad things.

Just because a couple people on the Supreme Court declare something to be 'constitutional' does not make it so.

Hardened terrorists are coming here to hit us hard if we don't hit them first.

I think we've made the collection haystack so big, no one's ever getting through the haystack to find the needle. What we really need to do is isolate the haystack into a group of suspicious people and spend enormous resources looking at suspicious people, people who we have probable cause.

I've introduced legislation to say, "For right now, let's stop it," from about 34 countries.