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Republican presidential candidate Mitt Romney takes a bite out of a hot dog as he campaigns at the Federated Auto Parts 400 NASCAR Sprint Cup Series race at Richmond International Raceway in Richmond, Va., Saturday, Sept. 8, 2012. (AP Photo/Charles Dharapak)

Associated Press
Republican presidential candidate Mitt Romney takes a bite out of a hot dog as he campaigns at the Federated Auto Parts 400 NASCAR Sprint Cup Series race at Richmond International Raceway in Richmond, Va., Saturday, Sept. 8, 2012. (AP Photo/Charles Dharapak)
Republican presidential candidate Mitt Romney takes a bite out of a hot dog as he campaigns at the Federated Auto Parts 400 NASCAR Sprint Cup Series race at Richmond International Raceway in Richmond, Va., Saturday, Sept. 8, 2012. (AP Photo/Charles Dharapak)
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