Guilty verdict for black dad in shooting death of white teen in Long Island BY NICHOLAS HIRSHON, JOE GOULD and RICH SCHAPIRO DAILY NEWS WRITERS Saturday, December 22nd 2007, 10:25 PM Roca/NewsJohn White and his wife Sonia as they leave the courthouse after his guilty verdict was handed down. Roca/NewsMembers of the Cicciaro family celebrate the verdict. The black Long Island father charged with shooting a white teen was convicted of manslaughter Saturday night by a jury that rejected his claim he was defending his family from a "lynch mob."John White, 54, was found guilty of gunning down 17-year-old...