The main problem isn't that they sold it, it's that they had the surplus fissionable materiel to sell.
------surplus fissionable materiel to sell.-------
VERY GOOD POINT!!
For those who think "terrorist" groups don't or can't have a nuke, it's time to rethink your position. What is also interesting is how this material was transported that far without being detected. Afterall, we have been watching N.K. for a long time.