Was roving ambassador under President Ronald Reagan.
He was ambassador to the United Nations from 1985 to 1988 and
ambassador to the Federal Republic of Germany from 1989 to 1991.
Borrowed the private plane of President Georges Pompidou to smuggle
Henry A. Kissinger in and out of France for meetings with Le Duc Tho of
North Vietnam.
Appointed by President Richard M. Nixon, he was deputy director of the
Central Intelligence from 1972 to 1976.