British Prime Minister David Cameron delivers his long-awaited speech on the UK's relationship with the EU on January 23, 2013 in London, England. Mr Cameron has promised a referendum on EU membership should the Conservatives win the next election.
{"Image ImageDescription": "LONDON, ENGLAND - JANUARY 23:  British Prime Minister David Cameron delivers his long-awaited speech on the UK's relationship with the EU on January 23, 2013 in London, England. Mr Cameron has promised a referendum on EU membership should the Conservatives win the next election.  (Photo by Oli Scarff/Getty Images)", "Image Copyright": "2013 Getty Images"}