wo weeks ago, the United States seemed on the brink of starting another war in the Middle East after a drone strike killed Iran’s most notorious spymaster, Qasem Soleimani, as he departed an international airport in Baghdad. The shadowy general, in charge of the Iranian equivalent of the CIA, was one of the most effective operatives in the Middle East’s history. He built a sprawling army of proxy militias throughout the region and helped expand Tehran’s dominance in nearby countries.