Go now before someone takes it offline! Follow this link to the blog of a writer in Hollywood. He’s got a post analyzing the transcript of the 1978 four-day conference between George Lucas, Steven Spielberg and Lawrence Kasdan as together they hammered out the story and characters of Raiders of the Lost Ark. Near the top is a link to the transcript itself (.pdf).
Hurry! It’s a fascinating study of filmmaking in the Star Wars era.