For more than a year, the world's nuclear watchdog has been unable to see inside Iran's most sensitive facilities, and that blindness is now forcing a reckoning at the highest levels of international diplomacy. The IAEA's Rafael Grossi has told the agency's governing board that inspectors cannot verify what Iran holds in enriched uranium stockpiles approaching weapons-grade concentration — a silence born, Iran argues, from the wounds of foreign military strikes. France, Germany, the United Kingdom, and the United States are now pressing to bring Iran's nuclear file before the UN Security Counc