10/28/2004 principal – 00235167A – Michael Clark Duncan, a movie actor and alumnus of King High School, is thronged by high school students after speaking to his alma mater as a “principal for a day” Thursday. Tribune photo by Chris Walker. ..OUTSIDE TRIBUNE CO.- NO MAGS, NO SALES, NO INTERNET, NO TV.. Chicago Tribune Photo by Chris Walker 00235167A PRINCIPAL (entertainer chicago)