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 dispatch Cronkite to the CBS Radio Network booth to report the events and play the audio over the television airwaves while the crew worked on the camera to see if they could get it set up quicker. Meanwhile, CBS was ten minutes into its live broadcast of the soap opera "As the World Turns (ATWT)", which had begun at the very minute of the shooting. A "CBS News Bulletin" bumper slide abruptly broke into the broadcast at 1:40 pm EST. Over the slide, Cronkite began reading what would be the first of three audio-only bulletins that were filed in the