If “Inception“ found Christopher Nolan debating whether to surrender, Tarkovsky-like, the real world for the deepest levels of imagination, “The Dark Knight” Rises finds him already having taken the plunge. Where would you rather be as a musclebound cross between Darth Vader and Lord Humongous, Warrior of the Wasteland sinks Gotham into a nuclear-tipped French Revolution? When peasant kangaroo courts manned by maniacs