South Korea Army 1st Lt. Choi Min Kyu, left, points across the border into North Korea while briefing U.S. Vice President Joe Biden Dec. 7, 2013, during a visit to Observation Post Ouelette in South Korea. Biden's three-day visit underscored the commitment of the U.S. administration to its alliance with South Korea. (U.S. Navy photo by Mass Communication Specialist 2nd Class Chris Church/Released)
How Biden can learn from the US response to China getting the bomb

A focus on denuclearization didn’t work with China and it won’t work with North Korea.

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