Russia is making moves that could change everything in Syria. There are clear signs that Russian forces, including the powerful S-400 missile defense system, are pulling out of Khmeimim Air Base, one of their most important military locations in Syria. At the same time, Russian officials are still claiming that no final decisions have been made about their future presence at Khmeimim or their naval base in Tartus. These two bases are crucial for Russia’s military influence in the region, so any...