He settled in Massachusetts and held offices in [[Boston]] before being elected Massachusetts [[attorney general]] in 1962 (re-elected in 1964). He was elected to the U.S. Senate in 1966 and re-elected in 1972. He was not re-elected in 1978. | He settled in Massachusetts and held offices in [[Boston]] before being elected Massachusetts [[attorney general]] in 1962 (re-elected in 1964). He was elected to the U.S. Senate in 1966 and re-elected in 1972. He was not re-elected in 1978. |