Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks at the NAACP annual convention, Wednesday, July 11, 2012, in Houston. (AP Photo/Pat Sullivan)

 

              Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks at the NAACP annual convention, Wednesday, July 11, 2012, in Houston. (AP Photo/Pat Sullivan)
Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks at the NAACP annual convention, Wednesday, July 11, 2012, in Houston. (AP Photo/Pat Sullivan)