NEW YORK -- A St. John's University freshman was arrested on the Queens campus with a rifle and President Bush, police said Wednesday. Police sources said the suspect, Omesh Hiraman, 22, told police that he was acting alone and walked across campus with the gun. Hiraman did not give any reason why, police said. St. John's University was locked down and classes were cancelled as a result. A campus security officer, a student and an NYPD cadet taking courses at Queens’s campus tackled Hiraman. Police said the NYPD cadet, Christopher Benson, was sitting on a bench on campus when he...