The new U.S. aid package will reestablish a critical flow of weapons to Ukraine’s military, but the war will hinge greatly on which side can ramp up and sustain its firepower and troop numbers in the…

The two-year-old war in Ukraine—which is far from deadlocked—could pivot dramatically in the coming months. U.S. decisions will play a decisive role.

During its fifteen years, PEPFAR has become one of the most important global health initiatives ever launched. However, its influence is fading, threatening the global fight against HIV/AIDS as the s…

The rapid pace of North Korean diplomacy makes it crucial that Japan and South Korea coordinate more closely on potential changes to Northeast Asian security. But they must first overcome some deep-r…

With the demise of the Islamic State, a revived al-Qaeda and its affiliates should now be considered the world’s top terrorist threat.

Reports that China has stepped up efforts to gain influence in foreign political systems have sparked concern in Australia, New Zealand, and other states amid signs that the campaign may be shaping d…