Luke Frank, 6, and his brother Zachary, 8, right, from Grafton, Wis., wearing Romney cheeshead hats, listen as Republican presidential candidate, former Massachusetts Gov. Mitt Romney campaigns at the Wisconsin Products Pavilion at State Fair Park in West Allis, Wis., Friday, Nov. 2, 2012. (AP Photo/Charles Dharapak)

Photo by: Charles Dharapak

Luke Frank, 6, and his brother Zachary, 8, right, from Grafton, Wis., wearing Romney cheeshead hats, listen as Republican presidential candidate, former Massachusetts Gov. Mitt Romney campaigns at the Wisconsin Products Pavilion at State Fair Park in West Allis, Wis., Friday, Nov. 2, 2012. (AP Photo/Charles Dharapak)