Republican presidential candidate, former Massachusetts Gov. Mitt Romney waves to supporters before speaking at a campaign event at Wisconsin Products Pavilion at State Fair Park, Friday, Nov. 2, 2012, in West Allis, Wisc. (AP Photo/David Goldman)

Photo by: David Goldman

Republican presidential candidate, former Massachusetts Gov. Mitt Romney waves to supporters before speaking at a campaign event at Wisconsin Products Pavilion at State Fair Park, Friday, Nov. 2, 2012, in West Allis, Wisc. (AP Photo/David Goldman)