As the fight against the so-called Islamic State approaches its endgame, the United States seems to be stumbling its way up the escalation ladder in Syria. Repeated U.S. airstrikes against Syrian forces and allied militias in southeastern Syria had already caused alarm that the U.S. might be drawn deeper into the country’s civil war. The downing of a Syrian warplane by a U.S. fighter jet over the weekend punctuated those concerns. In response, Russia announced it would suspend the use of a communication channel to “deconflict” air operations over Syria—that is, avoid unintended confrontations between Russian and American jets—although the […]