Obama shifts to campaign mode, tears into Romney
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Credit: AFP/Getty Images
US President Barack Obama speaks during a campaign event at the Value City Arena - Schottenstein Center on May 5, 2012 in Columbus, Ohio. Obama is traveling to Ohio and Virginia where he will hold rallies and officially begin his re-election bid for the 2012 presidential election. AFP PHOTO/Brendan SMIALOWSKI (Photo credit should read BRENDAN SMIALOWSKI/AFP/GettyImages)
