President of Ireland Mary McAleese, left, watches as first lady Michelle Obama, second right, signs the visitors book flanked by US President Barack Obama, second left, and Martin McAleese at Aras an ... more 
President of Ireland Mary McAleese, left, watches as first lady Michelle Obama, second right, signs the visitors book flanked by US President Barack Obama, second left, and Martin McAleese at Aras an Uachtarain, the official residence of the President of Ireland in Dublin Monday May 23, 2011. 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. (AP Photo, Pool) less 
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Associated Press
Mon, May 23, 2011 8:34 AM EDT