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President Barack Obama greets people in the crowd after speaking at a campaign event at the Summerfest Grounds at Henry Maier Festival Park, Saturday, Sept. 22, 2012, in Milwaukee. (AP Photo/Carolyn Kaster)

Associated Press
President Barack Obama greets people in the crowd after speaking at a campaign event at the Summerfest Grounds at Henry Maier Festival Park, Saturday, Sept. 22, 2012, in Milwaukee. (AP Photo/Carolyn Kaster)
President Barack Obama greets people in the crowd after speaking at a campaign event at the Summerfest Grounds at Henry Maier Festival Park, Saturday, Sept. 22, 2012, in Milwaukee. (AP Photo/Carolyn Kaster)
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