In the Cold War, Russia effectively occupied all of Eastern Europe, suppressing not only its freedoms but also its ethnic conflicts. For five centuries the Ottomans managed most of the Middle East in the same way. But today we live in a postimperial and a postcolonial world. No great power wants to occupy anybody. As we've seen, the major powers have all learned the hard way that when you occupy another country all that you win is a bill. It is much easier to import a country's labor and natural resources--or their brainpower online--than it is to take them over. Also,