The director of the U.N. nuclear agency, Mohamed ElBaradei, says that Iran has set a date for inspectors to visit that country's newly revealed uranium enrichment plant, outside the city of Qom. That news comes as a relief to some analysts.

But a leaked report by the agency says that Iran possesses the data to make a nuclear weapon. Is Iran finally playing ball with the U.N., or is it just telling them what it wants to hear? We ask David Sanger, chief Washington correspondent for The New York Times, for answers.