Overview The basis of nuclear doctrine during the Cold War was deterrence. Nuclear powers were deterred from attacking each other by the fear of retaliation. Today, much of the concern over possib…

Overview North Korea poses difficult challenges for U.S. foreign policy. It possesses nuclear weapons and missiles to deliver them, and despite some progress, it is by no means clear that the ongo…

Overview This January brought a stark reminder of the perils of European dependence on Russian natural gas. A cutoff of supplies connected in part to a pricing dispute between Russia and Ukraine, …

Overview The oceans have long been a critical arena for international relations. Before there was air travel and instantaneous communication, people, goods, and ideas traveled the world by ship. F…

Overview No region of the world today is more dynamic than Asia. Across the continent, booming countries have built engines of economic growth that have lifted hundreds of millions out of poverty…