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Republican Presidential Candidates Romney and Huntsman Campaign In New Hampshire On July 4th

AMHERST, NH - JULY 4: Republican presidential candidates Former Ambassador to China Jon Huntsman (R) and former Massachusetts governor Mitt Romney (L) greet to each other prior to marching in a Fourth of July parade as Huntsman's wife Mary Kaye (2nd R) and daughter Gracie Mei look on July 4, 2011 in Amherst, New Hampshire. Romney, considered the republican front runner, raised nearly 20 million in the second quarter. (Photo by Darren McCollester/Getty Images)

Former GOP candidate Jon Huntsman

Jon Huntsman withdrew from the Republican race for president on January 15 and endorsed his former rival, Mitt Romney.