Former Sgt . Matt Vierkant claims Admiral Mike reportedly knew Bergdhal deserted . reportedly the Chairman of the Joint tribunal told him this during private question and answer sessions . Ex - White House aides have claimed it is inconceivable that President Obama did not know . Bergdahl is charged with treason and misbehavior before the tribunal .
Former Sgt . Matt Vierkant claims Admiral Mike Mullen knew Bergdhal deserted . Claims the Chairman of the Joint Chiefs told him this during private question and answer session . Ex-White House aides have said it is inconceivable that President Obama did not know . Bergdahl is charged with desertion and misbehavior before the enemy .