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 that Johnson did not see the original broadcast but also defended the allegation that Johnson had made the remark. According to Schieffer, Johnson's aide George Christian "told me that the President apparently saw some clips of it the next day" and that "That's when he made the remark about Cronkite. But he knew then that it would take more than Americans were willing to give it." When asked about the remark during a 1979 interview, Christian claimed he had no recollection about what the President had said. In his 1996 memoir "A Reporter's Life", Cronkite claimed he was at first