var vtn_player_type = "vp";var ven_video_key="NTU0MjE5fHwxNDcxfHwwfHx8fHx8";var ven_width="660";var ven_height="409";The Taliban release dramatic footage of their handover of army sergeant Bowe Bergdahl to US forces after five years in captivity. Duration: 00:55