I'll read the link you sent about sanctions effectiveness...I just haven't yet.
Here's the link I promised about the little Korean problem....scroll down a bit and read the article US OUT from this blog. And click on any of the links within the story especially about property rights issues....you'll always find the closest truth on alternative news sources...once you sort through the B.S.
I've found some very good, truthful news on this forum....but it's not always accurate. You just have to us the B.S. detector.
OK...read the article
1st. I didn't really see any relation to the progress related to the effectiveness of sanctions.
2nd. I think this kind of makes my point that it's up to S. Korean government to work out it's differences with N.K.
The US may actually hurt the process by being a mediator nobody wants. I still believe bilateral talks will be most effective between the two.