GLASGOW, SCOTLAND - AUGUST 25:  Jeremy Corbyn, Leader of the Labour Party addresses a rally at the Crown Plaza hotel on August 25, 2016 in Glasgow, Scotland. Jeremy Corbyn and Owen Smith will go head to head in a debate at the SECC tonight, the hustings event is part of a series organised for the Labour leadership election campaign and is the only one to be taking place in Scotland. (Photo by Jeff J Mitchell/Getty Images)