The former deputy speaker of Britain’s House of Commons sexually abused young men in parliament and at a Conservative party conference, a court heard on Monday.Nigel Evans, 56, had used his “powerful” influence to assault them, according to allegations .Evans denies nine charges dating from 2002 to 2013, involving seven men, including two of indecent assault, six of sexual assault and one of rape.He was often drunk when he acted, Preston Crown Court in northwest England was told.Prosecutor Mark Heywood said Evans assaulted the men despite a series of warnings from his colleagues to stop.