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More articles by 'Cheong Seong-chang'
How South Korea can respond to a nuclear-armed Pyongyang
Seoul may need to take its self-defense into its own hands
After Pyongyang’s fifth test, is it time for Seoul to develop nukes?
With a return to talks unlikely, South Korea must consider becoming an independent nuclear power
Responding to N.Korea’s fourth nuclear test – and its fifth
Time for South Korea to put possession of nuclear arms and leaving the NPT to a vote
