>> joseph and rose have now lost three of their nine children. >> joe kennedy always focuses ambition on his children, and you have to wonder if at some deep level he felt that he himself was responsible in some way, that by thrusting his children out into the world the world has consumed them. >> my mother, she said that a bad man had shot uncle jack, and we went home and my father was under a cedar train with the dogs and we ran over and hugged him and we were crying. and he hugged us back, and said he had a great life. >> in an instant bobby kennedy has lost his brother, his best friend, and his whole sense of professional meaning in life. >> bobby's always been the