Jeremy Corbyn, leader of the U.K. opposition Labour Party, right, congratulates Andy Burnham, home affairs spokesman of the U.K. opposition Labour Party, after he delivers his speech at the party's annual conference in Liverpool, U.K., on Wednesday, Sept. 28, 2016. U.K. opposition Labour Party leader Jeremy Corbyn will order his rebellious lawmakers to fall into line behind him and prepare for a general election hell say he expects Prime Minister Theresa May to call next year. Photographer: Luke MacGregor/Bloomberg via Getty Images