By RAY KELLY While Orson Welles fans eagerly await completion of  The Other Side of the Wind, a new book chronicles the making, unraveling and failed attempts to finish  Hollywood’s most famous unseen movie. Josh Karp, who teaches journalism at Northwestern, began work on Orson Welles’s Last Movie: The Making of The Other Side of the Wind nearly … Continue reading Josh Karp on ‘Orson Welles’s Last Movie: The Making of The Other Side of the Wind’