A hundred years ago this week, the man who would become Nelson Mandela was born. And so began a lifetime of struggle, ideals and triumph. In this episode, I look back at my interview with his grandson Ndaba, whose new book, Going to the Mountain, is newly published. But is the world regressing, and how does this play against the backdrop of expanding tensions in the world? Listen for more on Donald Trump at NATO, and Xi Jinping's commitment to fulfilling the Sustainable Development Goals. (At Large Podcast by China-US focus)