We continue our tour of the world, at least as it existed two decades ago, through the eyes of two political scientists, Barry Buzan and Ole Waever, pioneers of the "regional security complex theory" of international relations. They write about two Europes. Not East and West on the terms of the old Cold War division. The dividing line has moved well to the east. Western Europe extends right up to the former Soviet Union, and the new Eastern Europe consists wholly of the former Soviet states in their complicated interactions. Turkey and the Balkans (where the latter means specifically the states that used to be part of Yugoslavia) make up special cases. The Balkans sometimes seem as if they are about to be incorporated into (Western) Europe. But they are such trouble there is sentiment in the west to avoid or delay that incorporation. On the other hand, Turkey is a classic "insulator" state. But let us start with the west. These nations, roughly speaki...