Clockwise from top: The Birdcage , The Royal Tenenbaums , Superman , and The French Connection . Photo-Illustration: Vulture; Photos: Everett Collection (Warner Bros., 20th Century Fox Film), United Artists, Buen Vista Pictures The world lost one of the best actors in the history of the form this week, leading people everywhere to chime in with the Gene Hackman movie (or movies) they planned to watch in his honor. The truth is that you could watch two dozen Hackman movies and rarely see the