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 the anchor desk in the newsroom. Within twenty seconds of the announcement, every CBS affiliate except Dallas' KRLD (which was providing local coverage) was airing the network's feed. The camera was finally operational by this time and enabled the audience to see Cronkite, who was clad in shirt and tie but without his suit coat, given the urgent nature of the story. Cronkite reminded the audience, again, of the attempt made on the life of the President and tossed to KRLD news director Eddie Barker at the Dallas Trade Mart, where Kennedy was supposed to be making a speech before