AP Photo/Carolyn Kaster
President Barack Obama and first lady Michelle Obama, center, laugh as they move into position for a photograph with Taoiseach (Irish Prime Minster) Enda Kenny, left, and his wife Fionnuala Kenny at Farmleigh House in Dublin, on May 23, 2011. Mr. Obama touched down in Ireland Monday for the beginning of a four-country, six-day European tour. While there, he celebrated his ancestral roots and offered a boost to a nation grappling with the fallout from its financial collapse.
AP Photo/Carolyn Kaster
President Barack Obama, left, and first lady Michelle Obama, right, are greeted by Taoiseach (Irish Prime Minster) Enda Kenny, second from right, and his wife Fionnuala Kenny as they arrive at Farmleigh House in Dublin, on May 23, 2011. President Obama said Monday that the U.S. and Ireland share a "blood link" that extends beyond strategic interests or foreign policy into the hearts of the millions of Irish Americans who still see a homeland here.
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President Barack Obama reacts after he was presented with a hurley stick from Taoiseach (Irish Prime Minster) Enda Kenny while in Farmleigh, Dublin, on May 23, 2011.
AP Photo/Carolyn Kaster
President Barack Obama holds and swings a hurling stick as Taoiseach (Irish Prime Minster)Enda Kenny looks on outside Farmleigh House in Dublin, on May 23, 2011.
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First lady Michelle Obama gestures beside Fionnuala Kenny, center, wife of Irish Prime Minister and Taoiseach Enda Kenny, as they viewed an embroidered panel depicting the Norman Invasion during a tour of Farmeligh House in Dublin, May 23, 2011, as President Barack Obama and Taoiseach Enda Kenny held talks.
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First lady Michelle Obama gestures beside Fionnuala Kenny, wife of Irish Prime Minister and Taoiseach Enda Kenny, as they view a copy of topographia Hibernia, an account of the landscape and people of Ireland, during a tour of the Benjamin Iveagh Library in the Farmeligh House in Dublin, May 23, 2011, as President Barack Obama and Taoiseach Enda Kenny held talks.
AP Photo/Carolyn Kaster
From left, U.S. Ambassador Daniel M. Rooney and his wife Patricia Rooney, President Barack Obama, President of Ireland Mary McAleese and her husband Dr. Martin McAleese, and first lady Michelle Obama look to the media as the Obama's arrive at Aras an Uachtarain, the official residence of the President of Ireland, in Dublin, on May 23, 2011.
AP Photo/Peter Morrison
President Barack Obama meets Irish President Mary McAleese during a visit to Aras an Uachtarain, the official residence of the President of Ireland, in Dublin, on May, 23, 2011.
AP Photo/Peter Morrison
President Barack Obama meets Irish President Mary McAleese during a visit to Aras an Uachtarain, the official residence of the President of Ireland, in Dublin, on May, 23, 2011.
AP Photo/Peter Morrison
President Barack Obama and first lady Michelle Obama meet with Irish President Mary McAleese, left, and her husband, Dr. Martin McAleese, during the signing of the vistors book at Aras an Uachtarain, the official residence of the President of Ireland, in Dublin, on May, 23, 2011, during his 24-hour visit to Ireland.
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Irish President Mary McAleese, left, and first lady Michelle Obama, right, watch as President Barack Obama signs the visitors book at Aras an Uachtarain, the official residence of the President of Ireland, in Dublin, on May 23, 2011, during President Obama's visit to Ireland.
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President Barack Obama drinks Guinness beer as he meets with local residents at Ollie Hayes pub in Moneygall, Ireland, the ancestral homeland of his great-great-great grandfather, on May 23, 2011.
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President Barack Obama and first lady Michelle Obama enjoy a pint of Guinness beer as they meet with local residents at Ollie Hayes pub in Moneygall, Ireland, on May 23, 2011.
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President Barack Obama and first lady Michelle Obama enjoy a pint of Guinness beer as they meet with local residents at Ollie Hayes pub in Moneygall, Ireland, on May 23, 2011.
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President Barack Obama meets local residents in Moneygall, Ireland, the ancestral homeland of his great-great-great grandfather, on May 23, 2011.
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President Barack Obama and first lady Michelle Obama greet local residents in Moneygall, Ireland, the ancestral homeland of his great-great-great grandfather, on May 23, 2011.
AP Photo/Matt Dunham
Irish girls with painted faces pose for a photograph among people lining up to join the crowd to listen to President Barack Obama make an address at College Green in Dublin, Ireland, on May 23, 2011. The name Obama is written on the faces of two of the girls; an American flag is on the face of the third.
AP Photo/Carolyn Kaster
President Barack Obama and first lady Michelle Obama wave to the crowd as they arrive at College Green in Dublin, May 23, 2011.
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President Barack Obama addresses crowds of people at College Green in Dublin, as Irish Prime Minister Enda Kenny looks on, during his visit to Ireland on May 23, 2011.
PETER MUHLY/AFP/Getty Images
President Barack Obama and first lady Michelle Obama wave to the public as they arrive at College Green in Dublin, on May 23, 2011.