Theresa May expected to name exit date on Friday

May’s announcement of a timetable for departure will trigger a battle between moderate Tories and hard Brexiters. Photograph: Xinhua/Rex/ShutterstockTheresa May is widely expected to announce on Friday that she will resign as Conservative leader, amid deep concerns among centrist cabinet ministers that candidates to be the next prime minister will have to promise a hard Brexit.May’s allies believe that she will promise to step down as leader by 10 June after the state visit of US pre