US President Barack Obama (2ndL) is hugged by a woman of the crowd after delivering a speech to crowds of people during a public rally at College Green in Dublin, Ireland, on May 23, 2011. US President Barack Obama landed in Ireland May 23, 2011 for a visit celebrating his ancestral roots, kicking off a four-nation European tour. AFP PHOTO/ PETER MUHLY (Photo credit should read PETER MUHLY/AFP/Getty Images)