It is instructive to look back at the many attempts to improve North-South Korean relations when things seemed not quite so hopeless.

South Korea will remove concrete barriers used at airports across the country after a plane crash in December that claimed the lives of 179 people. While investigators are still probing South ...

1992 -- North Korea ratifies the South-North Joint Declaration on the Denuclearization of the Korean Peninsula, an inter-Korean treaty aimed at keeping the peninsula free of nuclear weapons. 1999 -- ...