In 1962, an innovative documentary on a Berlin Wall tunnel escape brought condemnation from both sides of the Iron Curtain during one of the most volatile periods of the Cold War. The Tunnel, produced by NBC's Reuven Frank, clocked in at ninety minutes and prompted a range of strong reactions. While the television industry ultimately awarded the program three Emmys, the U.S. Department of State pressured NBC to cancel the program, and print...