Roger W. Watson

Modern nuclear power relies on a multilayered framework of technical, organizational, regulatory, and institutional protections built to avert accidents, curb their impact when they happen, guard against hostile interference, and ensure nuclear materials are not redirected for weaponization. These protective measures extend throughout the entire life span of a plant, covering site selection, system design, construction, daily operations, emergency preparedness, waste handling, and eventual decommissioning.Fundamental tenets: layered protection supported by successive physical obstaclesDefense-in-depth is the organizing principle. It implements multiple, independent lines of protection so that no single failure or human error leads to catastrophic release. Complementing this are multiple…

After four years of relentless conflict, Ukraine’s war has transformed far more than its own borders. From the mechanics of modern combat to the foundations of global alliances, the repercussions now stretch across continents.What began as a full-scale invasion has evolved into a protracted struggle that is redefining warfare, diplomacy and the balance of power. For Ukraine, survival has demanded constant reinvention under fire. For Europe, the war has exposed vulnerabilities long obscured by decades of relative peace. For the United States and other global actors, it has prompted a reassessment of commitments once considered unshakeable.On the ground, Ukrainians still…