Secret Service agents stand guard as Republican presidential nominee, former Massachusetts Gov. Mitt Romney walks to his car after services at the Church of Jesus Christ of Latter-day Saints on Sunday, Sept. 2, 2012 in Wolfeboro, N.H. (AP Photo/Evan Vucci)

Photo by: Evan Vucci

Secret Service agents stand guard as Republican presidential nominee, former Massachusetts Gov. Mitt Romney walks to his car after services at the Church of Jesus Christ of Latter-day Saints on Sunday, Sept. 2, 2012 in Wolfeboro, N.H. (AP Photo/Evan Vucci)