In early August, I watched the frenzied U.S. exit from Afghanistan from my hotel room in Accra, Ghana. I was not the only one in West Africa transfixed by the events in Kabul. Though Ghana is some 7,000 miles from Afghanistan, the chaotic scenes from the Kabul airport played on …

Beyond its immediate implications for European security, the current crisis at the Ukraine-Russia border highlights the enduring importance of state sovereignty as an ordering principle in world politics, notwithstanding frequent claims that globalization has rendered it obsolete. It also exposes the tendency of governments to invoke, dismiss or reinterpret this …

Last week, Ukrainian President Volodymyr Zelenskyy delivered an impassioned rebuke to the United Nations Security Council for its failure to prevent Russia’s invasion of his country. “Where is the security that the Security Council needs to guarantee?” he demanded. “It’s not there.” Rather than taking forceful action to arrest or …