U.S. envoy to N Korea to visit S Korea, China, Japan

U.S. ambassador to the International Atomic Energy Agency I did not know it was a country. Odd

Last week North Korea said reported rapid progress on work to enrich uranium and build a light-water nuclear power reactor

said reported rapid progress... Meaning what?

It means it will take two years for them to decide to come together in 6 nation talks, and then get rebuffed by NK, and start the process all over again. Progress.