The Korean peninsula, divided for more than fifty years, is stuck in a time warp. Millions of troops face one another along the Demilitarized Zone separating communist North Korea and capitalist South Korea. In the early 1990s and again in 2002-2003, the United States and its allies have gone to the brink of war with North Korea. Misinterpretations and misunderstandings are fueling the crisis. "There is no country of comparable significance concerning...