"So you still want to direct films?" Coppola wearily asked one of his assistants after a long day of shooting on The Godfather. "Always remember three things. Have the definitive script ready before you shoot. There'll always be some changes, but they should be small ones. Second, work with people you trust and feel secure with. Remember good crew people you've worked with on other films and get them for your film. Third, make your actors feel very...