“Blazing Saddles” screenwriters ANDREW BERGMAN and NORMAN STEINBERG return to the podcast to commemorate the film’s 45th anniversary and to regale Gilbert and Frank with behind-the-scenes stories of deleted scenes, writer’s room antics, last-minute casting changes and characters who didn’t make the cut. Also, Mel Brooks sends up Humphrey Bogart, Cleavon Little replaces James Earl Jones, Richard Pryor puts on a maid’s uniform and John Carradine plays “John Carradine.” PLUS: “Honeymoon in Vegas”! “My Favorite Year”! Marlon Brando mumbles! Stanley Kubrick tortures Slim Pickens! And the boys remember Madeline Kahn, Harvey Korman and Gene Wilder!