U.S. Secret Service agents stand watch as Republican presidential candidate and former Massachusetts Gov. Mitt Romney and vice presidential candidate Rep. Paul Ryan, R-Wis., campaign at the Celina ... more 
U.S. Secret Service agents stand watch as Republican presidential candidate and former Massachusetts Gov. Mitt Romney and vice presidential candidate Rep. Paul Ryan, R-Wis., campaign at the Celina Fieldhouse in Celina, Ohio, Sunday, Oct. 28, 2012. (AP Photo/Charles Dharapak) less 
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Associated Press | Photo By Charles Dharapak
Sun, Oct 28, 2012 4:03 PM EDT