Jeff Katz, whose conservative zeal and verbal swordsmanship have been a mainstay of afternoon drive time for two years, was fired Monday by WBT-AM (1110). Rick Jackson, WBT general manager, said he could not discuss the reason. Katz will be replaced in the 3 to 6 p.m. spot beginning next week by Tara Servatius, a Creative Loafing columnist who has been in the station's 9 p.m. to midnight slot since May 2007 and has occasionally filled in for Katz in afternoons. Listeners to the show Monday weren't told of the change. It was still the “Jeff Katz Show,” according to...