 He took moderate stands on the environment and on social issues, and applauded Jack Kemp's concerns for African Americans and other underprivileged groups.In 1985 he returned to Vietnam with Walter Cronkite for a CBS News special, and saw the monument put up next to where the famous downed "air pirate Ma Can" had been pulled from the Hanoi lake; it was the first of several return trips McCain would make there.In 1986, McCain voted to override Reagan's veto of the Comprehensive Anti-Apartheid Act that imposed sanctions against South Africa.