The disappearance of China’s defense minister General Li and former foreign minister Qun Gang raises questions about a potential purge in Xi’s government. Global leaders gathered for the annual meeting at the U.N. General Assembly to discuss their highest priorities. Plus, how did the U.S. and Iran reach a $6 billion prisoner swap deal? The Council's Ivo Daalder unpacks these issues with Jamil Anderlini, Bobby Ghosh, and Susan Glasser on World Review.