Theresa May's latest Brexit speech shows all bets are off

Outside the Mansion House, a remain campaigner was braving the freezing cold to offer journalists refreshments.This was Theresa May’s third landmark Brexit speech – following the ones at Lancaster House and in Florence – and she was under pressure to come up with something a little less vague than her previous offerings.With that off her chest, the prime minister then went on to give the speech she probably ought to have considered giving before the referendum when she was half