As the world faces so much turmoil, we reflect on a moment just more than 30 years ago when Australia took a leading role brokering peace in Cambodia, helping to bring about the end of the infamous Khmer Rouge regime, behind the genocide now known as the Killing Fields. The man at the centre of that historic agreement is Australian former Foreign Minister Gareth Evans. What lessons for today can we draw from the past, and a conflict that saw China, Russia and the US on different and competing sides? We explore those issues and how these chess moves continue to play out today.