And, frankly, what happens out of Washington is, it creates a wind in my face, uncertainty over Obamacare, uncertainty over their tax policy, uncertainty over the regulatory policy.

People have now been absorbing only that they agree with. You know, part of it is if you're liberal, you consume liberal information. If you're a conservative, you consume conservative information. And there's a certain stridency in both that you know everything, and if somebody doesn't agree with you, you think they don't know what they're talking about, and you become intolerant.

[Barack Obama] needs to really engage both Republicans and Democrats.

I do believe that the party needs to evolve, or I won't be a part of it.

You know, whatever it takes. It's very important obviously from an economic point of view because of the need for innovation, for progress, to improve the standard of living of people. But I also think it's a critical issue in geopolitics too.

I was a member of the Armed Services Committee for 18 years. I spent a big chunk of my life studying national security issues and our role in the world.

No one ever expect me to get in the race. They didn't think I would get on the debate stage. I did. They didn't think I'd do well in New Hampshire. I finished second. And so we went to South Carolina. In a short period of time later, two weeks ago people in South Carolina had no clue who I was.