Republican presidential candidate, former Massachusetts Gov. Mitt Romney gestures during a speech to the NAACP annual convention, Wednesday, July 11, 2012, in Houston. (AP Photo/Pat Sul

 

              Republican presidential candidate, former Massachusetts Gov. Mitt Romney gestures during a speech to the NAACP annual convention, Wednesday, July 11, 2012, in Houston. (AP Photo/Pat Sul
Republican presidential candidate, former Massachusetts Gov. Mitt Romney gestures during a speech to the NAACP annual convention, Wednesday, July 11, 2012, in Houston. (AP Photo/Pat Sullivan)