It explains why we’re going to war, and why we’ll keep going to war: Since the end of the cold war, the United States has been trying to come up with an operating theory of the world—and a military strategy to accompany it. Now there’s a leading contender. It involves identifying the problem parts of the world and aggressively shrinking them. Since September 11, 2001, [Thomas P. M. Barnett, U.S. Naval War College], a professor of warfare analysis, has been advising the Office of the Secretary of Defense and giving this briefing continually at the Pentagon and in the intelligence community. Now he gives it to you.

Show me where globalization is thick with network connectivity, financial transactions, liberal media flows, and collective security, and I will show you regions featuring stable governments, rising standards of living, and more deaths by suicide than murder. These parts of the world I call the Functioning Core, or Core. But show me where globalization is thinning or just plain absent, and I will show you regions plagued by politically repressive regimes, widespread poverty and disease, routine mass murder, and—most important—the chronic conflicts that incubate the next generation of global terrorists. These parts of the world I call the Non-Integrating Gap, or Gap.

Globalization’s “ozone hole” may have been out of sight and out of mind prior to September 11, 2001, but it has been hard to miss ever since. And measuring the reach of globalization is not an academic exercise to an eighteen-year-old marine sinking tent poles on its far side. So where do we schedule the U.S. military’s next round of away games? The pattern that has emerged since the end of the cold war suggests a simple answer: in the Gap.Esquire [via walker]