The Obama administration gave the parents of Army Sgt. Bowe Bergdahl extraordinary insider access to the military’s hunt for their son by having them take part in a series of secure video conferences with senior commanders as well as White House and State Department officials. A former government official involved in American hostage issues said he had never heard of giving a family such access and questioned whether sensitive information could have been conveyed to Robert and Jani Bergdahl and somehow leaked out. A family spokesman said he knows of no such breach. Soon after Sgt. Bergdahl went missing in...