Singer Stevie Wonder performs before President Obama speaks at a campaign event at the Fifth Third Arena on the University of Cincinnati campus, Sunday, Nov. 4, 2012, in Cincinnati. (AP Photo/Carolyn Kaster)

Photo by: Carolyn Kaster

Singer Stevie Wonder performs before President Obama speaks at a campaign event at the Fifth Third Arena on the University of Cincinnati campus, Sunday, Nov. 4, 2012, in Cincinnati. (AP Photo/Carolyn Kaster)