Sgt. Berdahl May Be Left Behind in AfghanistanSgt. Berdahl May Be Left Behind in AfghanistanWASHINGTON (AP) — The case of Army Sgt. Bowe Bergdahl — who's been held by the Taliban since 2009 — has arisen again as the U.S. and other countries engage in diplomatic efforts to free him.Associated PressAssociated Press