Anwar Ibrahim became Malaysia's 10th prime minister last week, after an epic career in which he had sought the job, and come close to getting it, over a quarter of a century. But whatever jubilation he might have felt must have been tempered by the daunting task now confronting him. The 75-year-old is a skilled orator with extensive political experience and personal charisma, but he has, in the past, also shown lapses of judgement. He must now muster all his strengths to fix the economy,...