Not for the first time in the last two centuries, Russia leaves the world wondering about its destiny. In spite of the losses incurred when the Soviet Empire imploded, Russia is still a power with vast military inventories. Questions abound as to what constitutes Russia's national interest. With Vladimir Putin no longer President, and after several years of rising oil and gas revenues, many Russians fear instability and insecurity. But the outside world, too, keeps wondering what will happen next. It is a defining moment for Russia, with far-reaching implications for the rest of the world.