The North Korean threat
North Korea in recent weeks has cut economic ties to South Korea, declared its decades-old armistice invalid, vowed to restart a nuclear reactor and threatened to attack the United States. In June, Pyongyang said that if the U.S. is "sincerely interested in keeping the peace and security in the region, including the mainland United States," the two countries should hold high-level talks.
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Visitors look toward North Korea through a map of the area around the demilitarized zone near the border village of Panmunjom.