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North Korean leader Kim Jong-Un stands on the snow-covered top of Mount Paektu in North Korea in a picture taken by North Korean newspaper Rodong Sinmun on April 18 and released by South Korean news agency Yonhap on April 19.  Kim  scaled the country's highest mountain, state-run media claimed, arriving at the summit to tell soldiers that the hike provides mental energy more powerful than nuclear weapons.
North Korean leader Kim Jong-Un stands on the snow-covered top of Mount Paektu in North Korea in a picture taken by North Korean newspaper Rodong Sinmun on April 18 and released by South Korean news agency Yonhap on April 19.  Kim  scaled the country's highest mountain, state-run media claimed, arriving at the summit to tell soldiers that the hike provides mental energy more powerful than nuclear weapons.

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Report: North Korea to double its nuclear arsenal

According to a Wall Street Journal report, North Korea could have 40 nuclear weapons by the end of next year. CNN's Elise Labott has more.

Report: North Korea to double its nuclear arsenal

According to a Wall Street Journal report, North Korea could have 40 nuclear weapons by the end of next year. CNN's Elise Labott has more.