How Dangerous Is North Korea?

FOR THOSE WITH ACCESS TO IT, THE ENVIRONS OF Yongbyon, home to North Korea's main nuclear complex, can be a lovely place to visit. The country's founder, Kim Il Sung, so adored the region's azaleas and autumn foliage that he built a vacation home there, on a mountain overlooking the clear blue waters of the river near Yongbyon. Late last month Yongbyon was the site of a party of sorts, thrown by 100 North Korean officials and attended by the two U.N. weapons inspectors assigned to monitor the complex for signs that North Korea is trying to restart its nuclear-weapons program....