Remembering the Hiroshima and Nagasaki bombings, 75 years later

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It’s been 75 years this week since the United States dropped atomic bombs on the Japanese cities of Hiroshima and Nagasaki, killing tens of thousands instantly. Japan surrendered nine days after the first bombing, bringing an end to World War II. In this week’s Sunday Spotlight, NBC’s Harry Smith looks back at the history of the bombings and speaks to an American who survived one of the blasts.