President Barack Obama, left, and first lady Michelle Obama, right, are greeted by Ireland's Taoiseach Enda Kenny, second from right, and his wife Fionnuala Kenny as they arrive at Farmleigh House in Dublin, Ireland, Monday, May 23, 2011. (AP Photo/Carolyn Kaster)

Photo by: Carolyn Kaster

President Barack Obama, left, and first lady Michelle Obama, right, are greeted by Ireland's Taoiseach Enda Kenny, second from right, and his wife Fionnuala Kenny as they arrive at Farmleigh House in Dublin, Ireland, Monday, May 23, 2011. (AP Photo/Carolyn Kaster)