Poison from cobra reported found in Ky. racetrack barn
                                
                                
                                    (Newser) -
                                    Doping scandals in horse racing usually concern diuretics and other performance-enhancing drugs, but a controversy currently brewing in Kentucky and New York involves a substance with a far longer history: cobra venom. Authorities searched a barn at Keeneland last month and turned up evidence that has sparked an investigation of...