Republican presidential candidate Mitt Romney (right) and Rep. Paul Ryan, Mr. Romney's newly announced running mate, wave at the crowd during a campaign event on Saturday, Aug. 11, 2012, in Norfolk, Va. (AP Photo/Mary Altaffer)

Photo by: Mary Altaffer

Republican presidential candidate Mitt Romney (right) and Rep. Paul Ryan, Mr. Romney's newly announced running mate, wave at the crowd during a campaign event on Saturday, Aug. 11, 2012, in Norfolk, Va. (AP Photo/Mary Altaffer)