On July 1, 2019, the International Atomic Energy Agency (IAEA) announced that Iran had exceeded its agreed-to limit on the volume of its stockpile of enriched uranium, putting heightened concerns about an Iranian nuclear weapons program back in the headlines.  Days later, Iran proclaimed it had enriched uranium to about 4.5% purity, again breaching prior agreed to levels.  Since then, Iran has announced numerous other accelerations of its nuclear program that specifically exceed…