Malala Yousafzai is the youngest recipient of the Nobel Peace Prize, an advocate for comprehensive women's education around the world, and the author of the brilliant memoir I Am Malala. In her new book, We Are Displaced, she gathers the stories of refugee women displaced by conflict, genocide, and loss. We spoke to Malala Yousafzai about the new book, her life at Oxford, and how she maintains her optimism in dark times.