Well, at least some good came of the accursed Rose Parade. The Hollywood Reporter‘s Gregg Kilday is reporting that George Lucas, who served as this year’s grand marshal of the annual New Year’s Day, flower-powered festival of floats, tipped off the media that he, director Steven Spielberg and Harrison Ford have finally agreed on a screenplay, and that the film should be in theaters in 2008. After seemingly every pedigreed writer out there took a pass at the project, David Koepp’s latest script was given the nod. Start practicing with your bullwhip now…