Shortly after the release of Dashiell Hammet's 1934 novel The Thin Man, a movie was produced based on the novel. It was directed by W. S. Van Dyke and the screenplay was written by married couple Albert Hackett and Frances Goodrich, who were instructed to focus on the witty exchanges between Nick and Nora Charles. The film is just barely from the pre- Hays Code era. I don't know if that code had any instruction about drinking, because the movie characters do a great…