LONDON (Reuters) – British police apologised on Tuesday after an investigation found that officers had discussed beating women and made racist and homophobic slurs and that one officer had messaged a female colleague to say he would rape her. Confidence in London’s police service has been shaken by a series of revelations in recent years, including that one of its officers stopped a woman, Sarah Everard, before abducting, raping and murdering her. An investigation by the police watchdog into Charing Cross Police Station, less than a mile from London police headquarters, found a culture of bull…