Article Photos: Beyond the ad wars, a grassroots campaign



Republican presidential candidate, former Massachusetts Gov. Mitt Romney walks to his car to attend a fundraising event on Saturday, Aug. 18, 2012 in Nantucket, Mass. (AP Photo/Evan Vucci)

Republican presidential candidate, former Massachusetts Gov. Mitt Romney walks to his car to attend a fundraising event on Saturday, Aug. 18, 2012 in Nantucket, Mass. (AP Photo/Evan Vucci)