Charles Jantzen (C.J.) McMahon, a 26-year-old jockey, was arrested Jan. 2 in Lafayette, Louisiana, on charges that include attempted second-degree murder. The Paulick Report first reported the arrest Sunday. The Lafayette Parish Sheriff's Department reported on its website that McMahon was "arrested after traffic stop and drugs were found, also an active warrant" had been issued for McMahon's arrest. McMahon, who was taken into custody at 4:27 p.m. Saturday, was also charged with possession of marijuana and illegal use of a dangerous weapon, although no weapons were listed among his...