Mitt Romney, Paul Ryan

Mitt Romney, Paul Ryan

CORRECTS SOURCE OF PHOTO TO PATRICK KELLEY - In this photo provided by Patrick Kelley, Republican Presidential candidate Mitt Romney, center, speaks during a campaign rally in Manassas, Va., Saturday, Aug. 11, 2012. Romney announced Wisconsin Rep. Paul Ryan, background left, as his running mate during an event in Norfolk, Va. (AP Photo/Patrick Kelley)