LONDON, ENGLAND - OCTOBER 12:  Former Marks and Spencer's boss and the current chairman of the 'Britain Stronger in Europe' campaign Lord Stuart Rose leaves the stage after speaking at a press conference at The Truman Brewery on October 12, 2015 in London, England. Stuart Rose was launching the 'Britain Stronger In Europe Campaign', setting out his vision to persuade voters to keep Britain in the EU ahead of the proposed referendum.  (Photo by Dan Kitwood/Getty Images)