During the 1950s, CBS TV was sometimes referred to as the "Tiffany Network," owing to its reputation of providing high-quality programming. A glittery jewel in its tiara was the news division, in which two men dominated the airwaves. One was news anchor Walter Cronkite, aka "the most trusted man in America." The other was Edward R. Murrow, best known as a crusading news analyst. Cronkite makes but a cameo appearance …