The Navy is poised to promote the admiral in charge of its elite SEAL teams and other commando units even though Pentagon investigators determined that he illegally retaliated against staff members whom he mistakenly suspected were whistleblowers. Rear Adm. Brian Losey was investigated five times by the Defense Department's inspector general after subordinates complained that he had wrongly fired, demoted or punished them during a vengeful but fruitless hunt for the person who had anonymously reported him for a minor travel-policy infraction, according to documents obtained by The Washington Post. After conducting separate, years-long investigations that involved more than 100...