The reason why Sergeant Bergdahl walked away from his base in Afghanistan remains a mystery. His upbringing may hold some clues. His childhood was not conventional, and neither was his path to the military. George Howell takes an up close look.
David Sedney got to know Sgt. Bergdahl's family. He was the Pentagon's Deputy Assistant Secretary of Defense for Afghanistan, Pakistan and Central Asia. In that job, he briefed Sergeant Bergdahl's family on the fate of their son.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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