Robert Bergdahl said he began growing the beard as soon as he received news of his son’s capture. ...those attempts to understand the Taliban have occasionally shaded into acts and gestures that strike some critics as a little too close for comfort. Just recently, reports surfaced of a tweet deleted from Bob Bergdahl’s Twitter account that directly addressed a Taliban spokesman. “I am still working to free all Guantanamo prisoners,” it read. “God will repay for the death of every Afghan child, ameen.”