A retired city police officer was found dead in his Long Island home on Sunday, apparently slashed to death by a samurai sword, authorities said. The former policeman, Scott Nager, 51, was found dead by his wife, Laura at about 1 p.m., said Officer Al Prim, a spokesman for the Suffolk County police. Nager served on the city police force for 15 years, working as a patrolman in the 34th precinct, which includes Washington Heights and Inwood. He retired in July, 1996 because of a service-related injury, The New York Times reported. Suffolk county police said Laura Nager's son, Zachary...