Colossal. Stupendous. Epic. These adjectives, used by movie companies to hawk their wares, became clich s long ago. When used to describe the films of one director, they are accurate. More than any filmmaker in the history of the medium, Cecil B. DeMille mastered the art of the spectacle. In the process, he became a filmland founder. One hundred years ago, he made the first feature film ever shot in Hollywood and went on to become the most commercially...