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
CBS News Weekend Roundup the basis for the "CBS World News Roundup," which airs mornings and evenings on the radio network, but the Sunday morning talk shows that are a staple of American TV. The "Weekend Roundup" is also a direct successor to the CBS Radio Network show "Capital Ideas", focusing on government and domestic news, which aired during the 1990s from Washington, D.C. and featured correspondents Rob Armstrong and John Hartge as well as Arenstein. CBS News Weekend Roundup The CBS News Weekend Roundup is a weekly news show that airs on the CBS Radio Network, designed for a one-hour time slot, though