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