Sadiq Khan, justice spokesman for the U.K. opposition Labour Party, listens during a one-day event in Birmingham, U.K., on Saturday, March 14, 2015. Labour leader Ed Miliband painted a stark picture of a future Conservative government, accusing the party of planning to roll back public spending to a time when there was no NHS and children left school at 14 years of age. Photographer: Matthew Lloyd/Bloomberg via Getty Images