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Newt Gingrich is one of the brightest people in the Republican Party and he's always been a little unorthodox in his approach to politics, but that's what makes him Newt Gingrich.

I'm not a Gingrich fan. He's just difficult to work with. It's either Newt's way or the highway.

I have no question that Newt Gingrich has the heart of a conservative reformer, the ability to rally and captivate the conservative movement.

I think Newt Gingrich has a proven track record of changing Washington and getting results.

Newt Gingrich is a boastful kind of guy. But when it comes to Wall Street, the former House speaker is surprisingly modest.

Every day I turn on my television set and I see Newt Gingrich on television, I rejoice.

I'm a total Republican, but I've never claimed to be a Christian-right conservative. They're a large but dwindling part of the Party.

What would be the nicest thing I could say about Newt Gingrich? He may be one of the great supporters of the humanities, because you have people who don't want to study the social sciences, because it's not profitable, and now Newt, as the highest-paid historian in American history, may be an encouragement to people to study history.