hearing for sergeant bowe bergdahl to determine if he should be tried in military court. charged with desertion, and misbehavior before the enemy, for leaving his platoon in afghanistan in 2009. casey stiegel is live for us in san antonio. so, casey, what witnesses has the defense called today? >> reporter: we heard testimony from major general kenneth dahl. a key witness, the one who led the u.s. army's investigation into the case and he also interviewed sergeant bowe bergdahl at great length following this release from the taliban. dahl says the 29-year-old soldier told him that he left his post because he thought his platoon was in danger, because of its leadership, and that he actually wanted to invoke a search so that he could get the attention of a general. dahl also testified that bergdahl ran for eight hours before he was eventually captured. the two-star general told the court today he does not believe bowe bergdahl should serve any