Arnold Zenker Arnold Zenker Arnold L. Zenker (born 1938) is a retired media broadcaster and public appearance counselor who gained brief stardom by sitting in for Walter Cronkite on the "CBS Evening News" in 1967. Zenker studied at the University of Pennsylvania in Philadelphia, from which he received an undergraduate and a law degree. In 1967 at the age of 28, he was asked to sit in for anchor Walter Cronkite to deliver the nightly news. Zenker, working as a Manager of News Programming at CBS at the time, was chosen because a strike by the American Federation of Television and Radio
Walter Cronkite hands together on camera with a smile and uttering, "Whew...boy" on July 20, 1969, when the Apollo 11 lunar landing mission put the first men on the moon. According to the 2006 PBS documentary on Cronkite, there was "nothing new" in his reports on the Watergate affair; however, Cronkite brought together a wide range of reporting, and his credibility and status is credited by many with pushing the Watergate story to the forefront with the American public, ultimately resulting in the resignation of President Richard M. Nixon on August 9, 1974. Cronkite had anchored the CBS coverage of Nixon's address,