It's critical to have a sound foundation in free-market economics and the Constitution. A great many Republicans in Washington don't have that foundation.

There is no doubt that if Donald [Trump] steamrolls through Super Tuesday, wins everywhere with big margins, that he may well be unstoppable. I don't think that will happen.

Sometimes people try to give me advice going forward, and they say, "You know, you've just got to work to be more likeable in Washington." And I laugh and say, "You know this isn't rocket science.

One of the problems in Washington is there are far too many politicians who desperately just want to get re-elected.

There are more words in the IRS code than there are in the Bible. And not a one of them is as good.

The immigrant experience of all of us is what makes us Americans, because we value in our DNA liberty and opportunity above all else.

We should be breaking down barriers, not building walls.