Since the collapse of the Soviet Union, Russia has worked hard to rebuild its influence in its former states. But the buffers the country once had, stretching from the Baltic states to Central Asia, have become more independent as time has passed. Though some have remained allies, others have formed new ties, more often than not with the West. For Russia, securing these borderlands is imperative, and it has used the tools at its disposal -- including military cooperation and economic blocs -- to do so. Until now, these organizations intended to bind Eurasia closer to Moscow haven't quite hit their stride. But the region is changing, in a way that may directly help further the Kremlin's goals....