The Great Movies IVNo film critic has ever been as influentialor as beloved as Roger Ebert. Over more than four decades, he built a reputation writing reviews for the Chicago Sun Times and, later, arguing onscreen with rival Chicago Tribune critic Gene Siskel and later Richard Roeper about the movies they loved and loathed. But Ebert went well beyond a mere thumbs up or thumbs down. Readers could always sense the man behind the words, a man with interests beyond film