Geoffrey S. Corn Tue, Jun 25, 2019, 8:16 AM
The president announced on June 21 that he had called off a potential U.S. military strike on Iran in response to Iran’s shootdown of a U.S. Navy remotely piloted vehicle (RPV). The strike, according to the president, could have incurred casualties of as high as 150 people—information that has sparked discussion over the proportionality of such a response under international law. Before jumping to this debate, however, there is another issue that needs to be considered first: the question of necessity.