South Koreans Should Be Worried

SEOUL — For most South Koreans, a North Korea that fires missiles, threatens war and conducts a nuclear test or two is nothing new. That’s the North the South has lived with for more than half a century. So last month, while the rest of the world was captivated by Pyongyang’s belligerent words and actions, South Koreans were preoccupied with what was real news to them: the suicide and funeral of their late president, Roh Moo-hyun.

But they should be worried.