North Korea's relationship with the U.S. has improved enough that a North Korean nuclear regulator is coming to the U.S. — seriously.

In another sign of warming relations between two wartime foes, a senior North Korean nuclear negotiator will attend a security conference in the United States, a person with knowledge of the negotiations between Washington and Pyongyang told The Associated Press on Thursday.

Word of Ri Yong Ho’s visit to the forum at Syracuse University, where he may also meet on the sidelines with U.S. officials, comes on the heels of a breakthrough agreement that will provide much-needed U.S. food aid to North Korea in exchange for a rollback of its nuclear programs.

The agreement announced Wednesday sets in motion a plan laid out by North Korean leader Kim Jong Il before his death in December: to improve relations with the U.S. and to get back to six-nation disarmament-for-aid negotiations. Significant challenges remain, however, in achieving the long-term goal of the U.S. and other nations: to persuade Pyongyang to end its nuclear ambitions altogether.

Next thing you know, we’re gonna invite these guys to a slumber party or something and watch episodes of “Beavis & Butthead” or “Team America: World Police.” OK, maybe not that second movie …