North Korea and NPT

The U.S. and North Korea plan to meet in Geneva on September 1-2 to resume discussions on implementation of the multilateral agreement signed among North and South Koreas, China, Japan, Russia and US (here). In the spirit of these multilateral negotiations, in July North Korea closed its Yongbyon reactor in exchange for 50,000 tons of fuel oil.
The Nuclear Non-Proliferation Treaty has been in force since March 5, 1970, and was ratified by 189 states. North Korea ratified it on December 12, 1985, but gave notice of withdrawal on January 10, 2003. Its withdrawal was effective as of April 10, 2003. Korea was the first country to withdraw from it...