Scott Brown, right, a former U.S. Senator from Massachusetts, waves to supporters as his wife Gail, left, claps after he won New Hampshire's Republican U.S. Senate primary on Tuesday in Concord, N.H. Jim Cole/AP hide caption

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Sen. Jeanne Shaheen (D-N.H.) in the U.S. Capitol building May 14, 2013. Groups are creating ads in New Hampshire to attack Shaheen 10 months before the midterm congressional elections. Allison Shelley/Getty Images hide caption

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