EASTLEIGH, UNITED KINGDOM - MAY 23:  Prime Minister David Cameron and Chancellor of the Exchequer George Osborne deliver a speech on the potential economic impact to the UK on leaving the European Union (EU), at a B&Q Store Support Office, on May 23, 2016 in Chandler's Ford, near Eastleigh, England. Osborne warned that Brexit would lead Britain into a 'year-long recession'.  (Photo by Daniel Leal-Olivas - WPA Pool/Getty Images)