LONDON, ENGLAND - AUGUST 29: British Prime Minister David Cameron ( top left) looks on as Prince Albert II of Monaco and Princess Charlene of Monaco leave their seats during the Opening Ceremony of ... more 

LONDON, ENGLAND - AUGUST 29: British Prime Minister David Cameron ( top left) looks on as Prince Albert II of Monaco and Princess Charlene of Monaco leave their seats during the Opening Ceremony of the London 2012 Paralympics at the Olympic Stadium on August 29, 2012 in London, England. (Photo by Chris Jackson/Getty Images) less