doi:10.7916/d8-e02v-3b57Night Into DayFass, Bob, 1933-2021sound recordingssound recordingVietnam War, 1961-1975Presidents--ElectionSubliminal projectionTelecommunicationUnited StatesAbbie Hoffman and American prisoners of war in Hanoi endorse McGovern, Marshall Efron gives advice about influencing people, and Al Bell of YIPL warns about how the phone company influences people