FILE - This undated file photo provided by the U.S. Army shows Sgt. Bowe Bergdahl. Army and Pentagon officials said Tuesday, Jan. 27, 2015, there has been no decision on what, if any, criminal charges will be filed against Sgt. Bowe Bergdahl, the soldier who left his post in Afghanistan, was captured by the Taliban and held for five years before being released in a prisoner exchange. (AP Photo/U.S. Army, File)

Military has wide discretion on Bergdahl charges

A major consideration is whether military officials will be able to prove that Bergdahl had no intention of ever returning to his unit — a key element in the more serious desertion charges.