In addition to being responsible for much of the worst domestic repression, Iran’s Islamic Revolutionary Guard Corps (IRGC) manages Hizballah and similar terrorist proxies and sends its troops to fight in Iraq, Syria, and elsewhere. On Monday, the White House officially designated the IRGC as a terrorist group—a move, Eli Lake writes, with real consequences:

According to recent reports, American nuclear negotiators in Vienna have expressed willingness to roll back significantly sanctions on the Islamic Republic. Meanwhile, a major power outage at the Iranian nuclear facility in Natanz—thought to have been caused by Israeli sabotage—has set back Tehran’s progress in producing the fuel necessary for an atomic bomb. Eran Lerman examines the relationship between these developments: