Former Massachusetts Gov. Mitt Romney, Newt Gingrich's presidential-primary rival , waves to supporters as he gives a television interview after a campaign event in Paradise Valley, Ariz., on Tuesday. (Associated Press)
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Former Massachusetts Gov. Mitt Romney, Newt Gingrich's presidential-primary rival , waves to supporters as he gives a television interview after a campaign event in Paradise Valley, Ariz., on Tuesday. (Associated Press)
