Last month’s NATO Summit, which featured the release of the Alliance’s new Strategic Concept, was a remarkable success. Thanks to strong leadership by Secretary General Jens Stoltenberg and US President Joe Biden, the Alliance remains united despite an array of new strategic challenges. The concept’s three core tasks—collective defense, crisis …

As Vladimir Putin’s world-altering war against Ukraine enters its second year, any hope of reviving the post-Cold War European security order depends on defeating Russia in Ukraine. But that will only be the first step in what will be a long struggle—one that calls for an updated strategy of containment. …

I expect that both sides in the dialogue between Belgrade and Pristina next Monday will accept the “European proposal” as a good basis for reaching an agreement. I don’t know if anything will be signed that day, but I expect that these talks will give new impetus and progress towards …