Prime Minister David Cameron Delivers His Keynote Speech At The Conservative Party Conference [Getty Images]

BIRMINGHAM, ENGLAND - OCTOBER 01: Prime Minister David Cameron gestures as he delivers his keynote speech to the Conservative party conference on October 1, 2014 in Birmingham, England. The Prime Minister addressed the conference for the final time before the general election in 2015. Cameron will promise in his speech to protect the NHS from spending cuts for the next 5 years. (Photo by Matt Cardy/Getty Images)

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