The world is on the move, and the number of international migrants today is higher than ever before. In 2015, 244 million people lived in a country other than where they were born, including more than 20 million refugees and asylum-seekers escaping violence or persecution in their home …

Saudi Arabia and Iran are waging a proxy war for dominance of the Middle East and the broader Muslim world that is playing out on battlefields from Yemen to Syria. This past week, though, the hottest front in the Saudi-Iran cold war wasn’t in some war-torn country in …