The three rules of movie sequels:
1) If the original movie is really special to you, the filmmaker, don't make it over. A sequel is essentially a commercial venture, designed to extend a product's shelf life. Not wanting to taint the memory of their most personal films, Steven Spielberg left E.T. alone, and Frank Capra refrained from making Son of a Wonderful Life. But Wim Wenders felt no such scruples about redoing Wings of Desire, the 1987 philosophic fantasy that is his masterpiece. This try-everything director correctly saw Wings as an open-ended excuse for considering the changing state of his native...