Good Golly, is Tracy Madden rising to the occasion or what? Wednesday's newscasts featuring Madden revealed a stepped-up confidence and presence that will serve the station well if it continues. Madden was gracious, funny, quick on her feet, and warm—a refershing change from her predecessor. It was nice to see someone who seemed to want to be there.At 10 p.m., both John Knicely and sports anchor