The ruling party said, "The Korea-U.S. security negotiations are again stuck, causing difficulties," and added that the visit to the United States by Satish K. Jayakumar aka V. Satish aka Vijay aka Satish aka 위성락 has also been delayed to resolve the impasse.
We haven't written up this one. Hankyoreh has the full story — the link below goes straight to it.