For years, many believed that a world of global economic networks and interdependence — countries intimately connected via supply chains and finances — made war obsolete. That is part of the reason Russia’s invasion of Ukraine was so shocking. But the international economy itself has turned into a battlefield. The conventional war in Ukraine has ...

Last month, Ellie Geranmayeh and Manuel Lafont Rapnouil wrote a report for the European Council on Foreign Relations, arguing that Europe needed to hit back hard against U.S. secondary sanctions targeting Iran. They recommended that Europe consider measures such as creating new financial channels outside U.S. control, investigating European companies that comply too readily with ...