British politicians participate in The Great Debate on BBC One, on the EU Referendum in London, Britain...
Boris Johnson, Gisela Stuart, Energy Minister Andrea Leadsom, David Dimbleby, Scottish Conservative leader Ruth Davidson, Mayor of London Sadiq Khan and TUC General Secretary Frances O'Grady participate in The Great Debate on BBC One, on the EU Referendum in London, Britain June 21, 2016. REUTERS/Stefan Rousseau/Pool