A crisis of credibility hangs over Malaysia’s Prime Minister Anwar Ibrahim as he prepares to face a sexual harassment suit later this month, the latest in a series of controversies that has rocked his administration and cast doubts over his reformist agenda.Anwar faces allegations that he has sexually assaulted a former aide, as the case threatens to dredge up past sex scandals that hounded him for years while he was in opposition.A high court in Kuala Lumpur on Wednesday threw out Anwar’s...