By Roger Ebert David Mamet's "Redbelt" assembles all the elements for a great Mamet film, but they're still spread out on the shop floor. It never really pulls itself together into the convincing, focused drama it promises, yet it kept me involved right up until the final scenes, which piled on developments almost recklessly. So gifted is Mamet as a writer and director that he can fascinate us even when he's pulling rabbits out of an empty hat.... read more