Vol Of Duty: Cumulus Sports-Talk WNML/Knoxville on-air host Heather Harrington has crossed the hall to Country sister WIVK for middays. She fills the vacancy created when “Jennifer Alexander” Johnsey left her on-air role to focus on Dir./Promotions responsibilities in December (CAT 12/9/21). Harrington spent more than 15 years with WNML after graduating from The University Of Tennessee. Reach her here.