Newt Gingrich is famously known for being the Speaker of the House of Representatives during President Bill Clinton's two terms in office.
More >> Rep. Ron Paul has represented the 14th congressional district of Texas since 1997.
More >> Gov. Rick Perry was a late arrival to the field of GOP candidates when he entered the race this past summer shortly before the Iowa Straw Poll.More >> Before entering into politics, Mitt Romney was a successful businessman and eventual CEO of Bain Capital, a global management consulting firm.
More >> Rick Santorum is known by his supporters to be one of the socially conservative candidates for president.
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