LONDON, ENGLAND - MARCH 22: General David Petraeus shakes hands with Queen Elizabeth during an audience at Buckingham Palace on March 22, 2011 in London, England. General Petraeus will meet with ... more 
LONDON, ENGLAND - MARCH 22: General David Petraeus shakes hands with Queen Elizabeth during an audience at Buckingham Palace on March 22, 2011 in London, England. General Petraeus will meet with Prime Minister David Cameron as well today. (Photo by Stefan Rousseau - WPA Pool/Getty Images) less 
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Tue, Mar 22, 2011 9:46 AM EDT