Photos: Prime Minister David Cameron Meets With Formula One Drivers Lewis Hamilton And Jenson Button

British Prime Minister David Cameron, joins Formula One drivers Lewis Hamilton and Jenson Button on the steps of 10 Downing Street on May 11, 2011 in London, England.The two McLaren drivers came to Downing Street to help launch the UN's 'Decade of Action for Road Safety' campaign, which aims to reduce fatal road crashes













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