This weekend science fiction and fantasy fans will gather at the Collinsville Gateway Center for the 36th ARCHON Science Fiction Convention. Host Steve Potter talks with acclaimed science fiction writer and author Joe Haldeman, who wrote “The Forever War,” which received the Nebula and Hugo Awards for the best science fiction novel of 1975. Steve also talks with St. Louis cryptologist and game developer Elonka Dunin and Byron Kerman, one of the organizers of the convention.