Reason behind fatal plane crash lingers

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Rescuers are still searching for answers after the Germanwings Flight 9525 crash. NBC’s Claudio Lavanga says an audible cockpit voice recorder of two pilots has been recovered, but it will take time to answer the many questions that remain. Then, Ayman Mohyeldin joins to discuss the military charging Sgt. Bowe Bergdahl with desertion, months after he was released as a prisoner of war.