Sept. 25-Oct. 1: Dolph Lundgren fights space pushers, Christopher Walken in king of New York, the next-to-last picture show, don’t rent to Michael Keaton, America fails to learn from the Civil War, Denzel remembers the titans, two explorations of Facebook, and should you let in the vampire remake? All that and more this week on Thirty Twenty Ten, your weekly look back on the week that was 30, 20, and 10 years ago.