Some survived the horror of the lethal ambush in Vietnam. Some have been while in the thick of pupil antiwar protests. All go on to get influenced by the events of October 1967. “S? xâm ph?m quá m?c c?a các c? quan an ninh ???c bi?t ??n r?ng rãi trong vi?c th?c Hello?n các hành ??ng ???c gi?i thích là nh?m b?o v? 'an ninh qu?c gia' nh?ng