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President Barack Obama greets Aurora (Colo.) Mayor Steve Hogan as Aurora Police Chief Daniel Oates, left, watches after Obama arrived at at Buckley Air Force Base, Colo., Sunday, July 22, 2012. (AP Photo/Susan Walsh)

President visits grieving Colorado

President Barack Obama

on Sunday, July 22, sought to provide comfort to the hurting and grieving

families of the

victims gunned down in a movie theater in Colorado.