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This undated image provided by the U.S. Army shows Sgt. Bowe Bergdahl, who has been held by insurgents in Pakistan since 2009. Extremely sensitive discussions are under way with intermediaries overseas to see if there is any ability to gain his release, a U.S. official told CNN on February 19, 2014.
This undated image provided by the U.S. Army shows Sgt. Bowe Bergdahl, who has been held by insurgents in Pakistan since 2009. Extremely sensitive discussions are under way with intermediaries overseas to see if there is any ability to gain his release, a U.S. official told CNN on February 19, 2014.

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Vierkant: Bergdahl planned to walk off

Erin Burnett talks to Matthew Vierkant, Fmr. Sgt. in Bowe Bergdahl's Platoon

Vierkant: Bergdahl planned to walk off

Erin Burnett talks to Matthew Vierkant, Fmr. Sgt. in Bowe Bergdahl's Platoon