Peckinpah's comic western is (with Junior Bonner) his most relaxed and forgiving film. It's irreverent, bawdy even, dabbles in split screen early on, throws in some speeded up hijinks for cheap laughs, and the sequence that introduces Stella Stevens as prostitute Hildy zooms in -- repeatedly -- on her ample bosom for comic effect. In tone it's not so far from one of the mediterranean westerns, My Name Is Nobody for instance -- and the presence of Jason Robards in…