DUBLIN, IRELAND – MAY 22: A demonstrator holds a placard protesting against the visit of President Barack Obama on May 22, 2011 in Dublin, Ireland. U.S. President Barack Obama is visiting Ireland tomorrow for one day. He will meet with distant relatives in Moneygall and speak at a rally in central Dublin after a concert in the evening. (Photo by Peter Macdiarmid/Getty Images) *** BESTPIX ***