U.S. President Barack Obama, right, reaches over to shake hands with British Prime Minister David Cameron at a round table meeting of the North Atlantic Council during a NATO summit in Lisbon on ... more 
U.S. President Barack Obama, right, reaches over to shake hands with British Prime Minister David Cameron at a round table meeting of the North Atlantic Council during a NATO summit in Lisbon on Friday, Nov. 19, 2010. Back on the world stage for crucial talks, President Barack Obama on Friday quickly encountered European leaders willing to question a president weakened at home and rebuffed abroad. less 
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Associated Press | Photo By Armando Franca
Fri, Nov 19, 2010 5:42 PM EST