U Thant as a voice for newly independent nations

First: U Thant led the UN during a golden era of diplomacy. What can we learn from him today? Christiane speaks with Thant's grandson, historian Thant Myint-U, about his new book, "Peacemaker." 

Plus: In this age of disinformation, the legendary filmmaker Werner Herzog tells Christiane why we must never stop fighting for the truth. 

And: Booker Prize-winning author Arundhati Roy reveals new insights into her tumultuous childhood in her new memoir, "Mother Mary Comes to Me." 

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