In a 2009 book about the social consequences of the Internet, The Age of the Infovore, the economist and blogger Tyler Cowen argues that new technologies enable us to decide what information to consume and, as a result, to remake ourselves. Instead of reading the same newspaper or watching the same television news, we can ...

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 ...