Obama shifts to campaign mode, tears into Romney
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Credit: AFP/Getty Images
US President Barack Obama and US First Lady Michelle Obama greet supporters after arrving at Rickenbacker International Airport on May 5, 2012 in Columbus, Ohio. President Obama is traveling to Ohio and Virginia where he will hold rallies and officially begin his re-election bid for the 2012 US Presidential election. AFP PHOTO/Brendan SMIALOWSKI (Photo credit should read BRENDAN SMIALOWSKI/AFP/GettyImages)
