LONDON, ENGLAND - JUNE 06: British Prime Minister David Cameron (L) arrives for a lunch with Commonwealth Nations Heads of Government on June 06, 2012 in London, England. (Photo by Lefteris Pitarakis ... more 
LONDON, ENGLAND - JUNE 06: British Prime Minister David Cameron (L) arrives for a lunch with Commonwealth Nations Heads of Government on June 06, 2012 in London, England. (Photo by Lefteris Pitarakis - WPA Pool /Getty Images) less 
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Wed, Jun 6, 2012 10:11 AM EDT