SEATTLE — This is about Ashley's dignity. Everybody examining her case seems to agree at least about that. Ashley is a 9-year-old girl who has static encephalopathy, a severe brain impairment. She cannot walk or talk. She cannot keep her head up, roll over or sit up by herself. She is fed with a tube. Her parents call her "Pillow Angel" because she stays right where they place her, usually on a pillow. Her parents say they feared that their angel would become too big one day — too big to lift, too big to move, too big to take...