President of Ireland Mary McAleese, left, and first lady Michelle Obama, right, watch as US President Barack Obama signs the visitors book at Aras an Uachtarain, the official residence of the ... more 
President of Ireland Mary McAleese, left, and first lady Michelle Obama, right, watch as US President Barack Obama signs the visitors book at Aras an Uachtarain, the official residence of the President of Ireland in Dublin Monday May 23, 2011 during President Obama's visit to Ireland. 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 8:31 AM EDT