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 the wasted lives of our own citizens. I am speaking of the war on drugs. And I cannot help but wonder how many more lives, and how much more money, will be wasted before another Robert McNamara admits what is plain for all to see: the war on drugs is a failure." Cronkite was married for nearly 65 years to Mary Elizabeth 'Betsy' Maxwell Cronkite, from March 30, 1940, until her death from cancer on March 15, 2005. They had three children: Nancy Cronkite, Mary Kathleen (Kathy) Cronkite, and Walter Leland (Chip) Cronkite III (who is married to actress Deborah