Iran has announced it is now enriching uranium at a 60 percent purity level at its Fordow underground nuclear facility after the United Nations nuclear watchdog (IAEA) condemned Tehran’s failure to cooperate over visits by the agency. The official state-run news agency IRNA reported on November 22 that the Fordow site, which is buried in the side of a mountain, was producing uranium with an enrichment level of 60 percent — one technical step away from weapons-grade levels — “for the first time.” Iran already produces uranium at 60 percent at...