BEIJING (AP) -- Members of an unofficial American delegation to North Korea said Saturday they visited the communist country's disputed Yongbyon nuclear complex, which has been closed to outsiders since U.N. inspectors were expelled more than a year ago. The five Americans, who returned Saturday to Beijing, were allowed to see everything they requested, said John W. Lewis, a Stanford University professor emeritus of international relations. "We did go to Yongbyon," Lewis said. The Americans wouldn't say how much time they spent at Yongbyon or what else they saw. They said they couldn't give more details until two delegation members...