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 ...

Why It’s Too Late to Decouple In 1999, the columnist Thomas Friedman pronounced the Cold War geopolitical system dead. The world, he wrote, had “gone from a system built around walls to a system increasingly built around networks.” As businesses chased efficiency and profits, maneuvering among great powers was falling away. An era of harmony was at ...