It's been 80 years since Allied forces defeated Nazi Germany in World War II. Why is it still important to recognize Victory in Europe, or VE Day? Three historians discuss the significance of this anniversary, not just to help us understand the past, but to comprehend the present. Margaret MacMillan, emeritus professor of International History at Oxford University and the University of Toronto and author of "War: How Conflict Shaped Us"; Tim Cook, chief historian and director of research at the Canadian War Museum and author of "The Good Allies: How Canada and the United States Fought Together to Defeat Fascism during the Second World War"; and Jeff Noakes, historian at the Canadian War Museum and author of "Forged in Fire: Canada and the Second World War" join Steve Paikin to discuss.

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