Fanning the Flames Melanie Morgan's swing from liberal to right-wing radio shouter may not have happened overnight, but it's permanent -- and profitable Morgan at the mike from which she led the charge to recall Gov. Davis and rails against Spare the Air Day in the KSFO studios. Chronicle photo by Carlos Avila Gonzalez lighter side of Morgan: playing with Rufus, a golden retriever/chow mix from the SFSPCA as Tracy Pore tells listeners that he's up for adoption. Chronicle photo by Carlos Avila Gonzalez Joe Garofoli Sunday, October 8, 2006 In the predawn darkness shortly after 5 a.m., Melanie...