A look back at the years the Olympics were called off
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While all sporting events have been canceled in the United States amid the coronavirus outbreak, questions surround the viability of the Tokyo Olympics. The Summer games, set to begin July 24, have been canceled only three times in their history: in 1916, 1940 and 1944, each time because of war. Jeff Glor breaks down the history behind the global event, and what factors played into them being called off."