U.N. weapons inspectors today completed their third day of work in Iraq since the confrontation between Iraq and the U.N. eased last week. But the seed of another confrontation is in place. Iraq continues to say certain sites are off limits to U.N. inspectors; the U.S. says no sites are off limits if inspectors want to go there. The real test will come when and if U.N. inspectors decide to push the issue. NPR's Ted Clark reports.