On Feb. 28, the United States and Israel launched major, ongoing strikes against Iran — including killing Supreme Leader Ali Khamenei and many other senior officials. In response, Iran has launched strikes against U.S. military sites, Israel, and economic and civilian targets in Arab Gulf states. The scale of this war will have global consequences. As world leaders adjust to a new reality in the Middle East and what it means for their countries, we asked five experts to assess the internat...