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Photo of North Korean leader Kim Jong Un taken from the front page of the state paper Rodong Sinmun on Friday September 22.
Photo of North Korean leader Kim Jong Un taken from the front page of the state paper Rodong Sinmun on Friday September 22.

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    North Korea's escalating threat

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North Korea's escalating threat

CNN's Kristie Lu Stout asks expert Duyeon Kim how we should interpret North Korea's threat of a new hydrogen bomb test.

North Korea's escalating threat

CNN's Kristie Lu Stout asks expert Duyeon Kim how we should interpret North Korea's threat of a new hydrogen bomb test.