Republican candidate Newt Gingrich is counting on his promise of $2.50-per-gallon gas to return him to front-runner status. Evan Vucci/AP hide caption

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Evan Vucci/AP

Energy Fuels Newt Gingrich's Comeback Plan

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Former House Speaker Newt Gingrich waves during a campaign stop Friday in Peachtree City, Ga. Doing well in the state's primary is important for Gingrich because he represented a congressional district there for 20 years. Evan Vucci/AP hide caption

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Evan Vucci/AP

Georgia On His Mind, Gingrich Faces Key Primary

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Former House Speaker Newt Gingrich addresses the Conservative Political Action Conference in Washington, D.C., on Friday. Win McNamee/Getty Images hide caption

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Win McNamee/Getty Images

Gingrich Uses Food Stamps To Criticize Rivals

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On Thursday night in Jacksonville, Fla., Mitt Romney (right) went after Newt Gingrich from the start on topics such as immigration and colonizing the moon. Matt Rourke/AP hide caption

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Matt Rourke/AP

Republican presidential candidate Newt Gingrich speaks Thursday during a Lakeside Inn Tea Party rally in Mount Dora, Fla. Joe Raedle/Getty Images hide caption

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Gingrich Fights Against The Lobbyist Label

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Republican presidential hopeful Newt Gingrich made campaign stops on Florida's Space Coast on Wednesday, saying space is part of America's destiny and outlining what he called a bold plan to send Americans to the moon and beyond. Here, the former House speaker delivers remarks outside a restaurant in Coral Springs, Fla. Paul J. Richards/AFP/Getty Images hide caption

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Paul J. Richards/AFP/Getty Images

On Florida's Space Coast, Gingrich Aims For The Moon

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Mitt Romney, accompanied by Rep. Ileana Ros-Lehtinen, R-Fla. (third from right), campaigns Wednesday at a U.S.-Cuba Democracy Political Action Committee event at Miami-Dade College in Miami. Charles Dharapak/AP hide caption

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Charles Dharapak/AP

Casino owner Sheldon Adelson and his wife, Miriam, at the Marina Bay Sands complex in Singapore in June. The Adelsons have donated $5 million each to the pro-Gingrich superPAC Winning Our Future. Roslan Rahman/AFP/Getty Images hide caption

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Roslan Rahman/AFP/Getty Images

Gingrich Campaign Rides A Financial Roller Coaster

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Republican presidential candidate Newt Gingrich and his wife Callista Gingrich (in red) greet people during an event at the The River Church in Tampa, Fla., earlier today (Jan. 23, 2011). Joe Raedle/Getty Images hide caption

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