NEW YORK — The son of Grammy-winning musician Cyndi Lauper was arrested in connection to a Harlem shooting, the Daily News has learned. Declyn Lauper, 26, was nabbed minutes after the shooting on West 112th Street near Adam Clayton Powell Jr. Boulevard around 7:15 p.m. Wednesday, police said. A 24-year-old man was shot in the leg and taken to Mount Sinai Morningside hospital in stable condition. Lauper was charged with criminal possession of a weapon and criminal possession of a controlled substance. His arraignment in Manhattan Criminal Court was pending Friday. Also arrested in the gunfire w...