Julius I. Poellnitz Jr., former director of missions (DOM) for Cahaba Baptist Association, died March 8.  He was 89. A Marengo County native, Poellnitz was a World War II Air Force veteran and retired from the Air Force Reserve.  He served as pastor of Pisgah Baptist Church, Selma, from 1977 to 1983 and DOM for Cahaba Association from 1983 to…