Tennessee Firm Shumacker Witt Gaither & Whitaker, P.C. Files Class Action Lawsuit on Behalf of Purchasers of Securities of King Pharmaceuticals -- KG CHATTANOOGA, Tenn., April 25, 2003 (PRIMEZONE) -- Shumacker Witt Gaither & Whitaker, P.C., a 50-lawyer firm based in Tennessee, announces that it has filed a class action lawsuit in the United...