Barack Obama 2012

Associated Press
FILE - In this Sept. 22, 1975 file photo, a Secret Service agent, left, looks to the left after a shot was fired at President Gerald Ford as he leaves the St. Francis Hotel in San Francisco. The Secret Service has been tarnished by a prostitution scandal that erupted April 13, 2012 in Colombia involving 12 Secret Service agents, officers and supervisors and 12 more enlisted military personnel ahead of President Barack Obama's visit there for the Summit of the Americas. (AP Photo)

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In November, President Barack Obama faces off against the Republican Party nominee, Mitt Romney.

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