LONDON, ENGLAND - MARCH 12:  (EDITORS NOTE: Retransmission of #478119455 with alternate crop.) Ed Miliband (L), the leader of the Labour party, prepares to deliver a speech in the London Business School setting out his party's stance on membership of the European Union on March 12, 2014 in London, England. Mr Miliband made clear that a future Labour government would not call a referendum on UK membership of the EU unless the European Union demanded greater powers.  (Photo by Oli Scarff/Getty Images)