An 83-year-old veteran who was allegedly shoved onto subway tracks in New York City by an illegal immigrant with a long criminal history has died from his injuries, the Department of Homeland Security said Thursday. Richard Williams, a retired Air Force pilot, died March 17 after he and another man were allegedly pushed onto the tracks at the Lexington Avenue-63rd Station days earlier. The alleged attacker, Honduran national Bairon Posada-Hernandez, 34, was arrested March 10 and faces a murder charge. John Pena, 30, the other man allegedly pushed onto the tracks, helped pull Williams back onto the platform moments before...