** FILE **North Korean chief delegation, Ryu Yong-Chul, center, leads his members in southern side of Panmunjom for Inter-Korean working-level military talks at Panmunjom in this Wednesday, July 20, 2005 file photo. North Korea accused the United States on Tuesday of impeding talks to resolve their prolonged nuclear standoff ahead of the communist state's meeting with U.S. officials to discuss its alleged counterfeiting of U.S. currency. (AP Photo / Kim Jae-Hwan, File)