Ten years ago, Al Jazeera Fault Lines host Josh Rushing travelled to Vietnam with a former US soldier who had taken part in the worst civilian massacre by US forces during the Vietnam War. They revisited the site of the My Lai massacre and met some of the few villagers who survived. Now, 10 years on, John Rushing, himself a veteran of 15 years in the US Marine Corps, talks to REWIND about the emotional effect of making Heart of Darkness and how many of those who have fought in war ultimately come to recognise its futility.
