Top US General Mark Milley appeared before Congress this week to defend Pentagon decision making in Afghanistan but instead found himself fighting a personal battle with lawmakers who charged that he has been more preoccupied with rehabilitating and burnishing his own image.Top US General Mark Milley appeared before Congress this week to defend Pentagon decision making in Afghanistan but instead found himself fighting a personal battle with lawmakers who charged that he has been more preoccupied with rehabilitating and burnishing his own image.