Former Republican U.S. Senator announced he’s entering the race for U.S. Senate to represent New Hampshire again in D.C. Sununu served the Granite State in the Senate until he lost a reelection bid to Sen. Jeanne Shaheen in 2008. What made Sununu enter what is already a competitive primary race with another former U.S. Senator, Scott Brown? We discussed how things are heating up in New Hampshire ahead of an open battleground race next November.

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