SANTA ROSA, Calif. - The former suspect in the JonBenet Ramsey killing left jail Thursday after a judge dismissed child pornography charges against him, saying prosecutors didn't have enough evidence to take the case to trial. John Mark Karr, who was not in court for the hearing, was ordered released immediately by Sonoma County Superior Court Judge Rene Chouteau, ending his two-month odyssey in the U.S. criminal justice system after he was extradited from Thailand on suspicion of killing the 6-year-old beauty queen. He did not comment to reporters as he left the Sonoma County jail flanked by his attorneys,...