An 18th-century British painting stolen by New Jersey mobsters in 1969 has been returned more than a half-century later to the family that bought it for $7‚500 during the Great Depression‚ the FBI's Salt Lake City field office announced Friday. The 40-inch-by-50-inch John Opie painting — titled "The Schoolmistress" — is the sister painting of a similar work housed in the Tate Britain art gallery in London. Authorities believe the piece was stolen with the help of a former New Jersey lawmaker‚...