Our faith in the law is rarely tested, since in America, at least, few of us ordinary people ever find ourselves at the extremes, confronting violence and terror. But the extremes have a way of creeping up on us, and the unimaginable can quickly and imperceptibly begin to seem routine. Millions...

Depending on whom you speak to these days (and the mood in which you find them), international law is either practically moribund, or it's more vibrant and important than it has been for years. To take the good news story first, international law issues have been at the forefront of public...

The collective security structure created by the U.N. Charter is becoming shakier than ever, and two recent trends pose particular challenges to Charter rules on the use of force. The first trend involves a normative shift in understandings of state sovereignty, and the second trend involves...

The information environment has been changing right along with the broader security environment. Today, the information environment connects almost everyone, almost everywhere, almost instantaneously. The media environment has become global, and there’s no longer such thing as “the news...

The history of the European nation-state, wrote political sociologist Charles Tilly, is inextricably bound up with the history of warfare. To oversimplify Tilly's nuanced and complex arguments, the story goes something like this: As power-holders (originally bandits and local strongmen) sought...

We tend to view concern with the protection of civilians as a relatively recent development within the Security Council: a product of the late 20th century genocides and ethnic cleansing campaigns in Rwanda and the Balkans. But while it is indeed true that the Council's first thematic resolution...

In the days and weeks immediately following the 9/11 attacks, “the law” offered little to lawyers or policy-makers looking for guidance. Indeed, for many the events of 9/11 became the legal equivalent of a Rorschach test: depending on the observer, the 9/11 attacks were variously construed...

Since September 11, the United States has waged two very open wars in Afghanistan and Iraq. These two wars have killed nearly 7,000 U.S. military personnel and left some 50,000 American troops wounded; they have also left an unknown number of Iraqi and Afghan soldiers and civilians dead or wounded....

Traditionally, the evolution of customary international law was understood as a gradual process: in some idealized model, we might see first a few states, and then a few more, implicitly agreeing to follow a practice, and then we would gradually begin to see additional states doing the same...