Iran has raised the possibility it would stop expanding its stockpile of uranium enriched to a purity of 60 percent — very close to the level needed for a weapon, the U.N.’s nuclear watchdog says. Iran has raised the possibility it would stop expanding its stockpile of uranium enriched to a purity of 60 percent — very close to the level needed for a weapon, the U.N.’s nuclear watchdog says. Iran, Security Council (UN), International Atomic Energy Agency, Nuclear Weapons, International Relations, Nuclear Energy, United States International Relations, Uranium, Blinken, Antony J, Russia, United Nations NYT > Science