Amanpour: Thant Myint; Werner Herzog; Arundhati Roy

Christiane speaks with historian Thant Myint-U about his book "Peacemaker", documenting the life of his grandfather U Thant, who as UN Secretary-General in the 1960s became a pivotal player in resolving wars around the world. Also on the show today: legendary filmmaker Werner Herzog speaks with Christiane about his recent non-fiction book, "The Future of Truth", and Hari Sreenivasan speaks with novelist Arundhati Roy about her memoir, "Mother Mary Comes to Me".