U.S. President Barack Obama, center, walks over to greet Afghanistan President Hamid Karzai, right, seated, during the start of the Afghanistan Opening Session at NATO Summit in Lisbon, Portugal, ... more 
U.S. President Barack Obama, center, walks over to greet Afghanistan President Hamid Karzai, right, seated, during the start of the Afghanistan Opening Session at NATO Summit in Lisbon, Portugal, Saturday, Nov. 20, 2010. Also, sitting at left is United Nations Secretary-General, Ban Ki-moon. less 
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Associated Press | Photo By Pablo Martinez Monsivais
Sat, Nov 20, 2010 4:56 AM EST