John Prendergast founded the Enough Project, which has worked with the likes of George Clooney and Ryan Gosling, to bring attention to complex humanitarian crises in Africa. In this episode, he talks with Ravi and Grant about his model of political change underpinning Enough, how to work with celebrities, and the lessons he has learned through his advocacy. They reflect on the root causes of conflict, the role of advocacy, and what activists should make of South Sudan.  Learn more about your ad choices. Visit podcastchoices.com/adchoices