When I said clean, I meant he [Barack Obama] was bright. Like when [Donald] Trump said about Carly [Fiorina], "face" he meant "persona."

We need to aggressively take on radical Islamic terrorism but not at the expense of our American values.

I've learned a long time ago, you don't say anything for absolutely certain.

There's less than one percent of the population of Iowa that is African American. There is probably less than four of five percent that are minorities. What is in Washington? So look, it goes back to what you start off with, what you're dealing with.

The spread of nuclear weapons is the greatest threat facing the country-and I would argue facing humanity.

I remember George Mitchell - I was doing the Clarence Thomas hearing, and there were 48 senators declared they were not prepared to vote for him at the front end. We could have filibustered that and stopped it. George and I - George was the leader at the time - took the heat from every liberal group saying, "No, no, that's not the way the system is supposed to work, since the Constitution - the president shall propose and the Constitution shall dispose, we're going to let them hear this."

And I think Hillary Clinton is able to be elected president of the United States.