U.S. Army soldiers who were serving with Sgt. Bowe Bergdahl when he left his post and wound up in the hands of the Taliban say no one has contacted them, even though military brass are currently conducting a new investigation into the case. Several soldiers who immediately came forward after Bergdahl was released on May 31, in a swap for five Guantanamo Bay detainees, have accused the 28-year-old Idaho native of deserting. But even though the Army is probing that very charge, investigators have not reached out to at least two former Army sergeants — including the platoon’s leader —...