North and South Korea held a ceremony on Friday to open a joint liaison office near the border, the South's Unification Ministry said, in another development that is expected to facilitate dialogue between the divided Koreas.The four-story liaison office, located in the North Korean city of Kaesong, was borne out of an agreement at an inter-Korean summit in April and is designed to keep the two Koreas in constant contact while becoming a regular channel to improve relations."With the opening of the liaison office, the South and North are now equipped with a system through which the two side…READ FULL ARTICLE