The fighting between two generals leading competing military factions has now been going on for a year, leading to massacres, hunger and a massive wave of people fleeing their homes.
The U.S., Europe, Russia and China worked together on a 2015 deal to limit Iran’s nuclear program. The arrangement’s unraveling and the spike in superpower tensions make this a dangerous moment.
Its options range from striking Iran openly and forcefully to doing nothing at all. One factor to weigh is that the huge aerial attack did little damage.