Arnold Zenker Arnold Zenker Associates in Boston, which trains "people to successfully master the public spotlight." 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
Walter Cronkite long-running debate over his opposition to the construction of a wind farm in that area. In his column, he repeatedly condemned President George W. Bush and the 2003 invasion of Iraq. Cronkite appeared in the 2004 Robert Greenwald film "Outfoxed", where he offered commentary on what he said were unethical and overtly political practices at the Fox News Channel. Cronkite remarked that when Fox News was founded by Rupert Murdoch, "it was intended to be a conservative organization – beyond that; a far-right-wing organization". In January 2006, during a press conference to promote the PBS documentary about his career, Cronkite