Since the end of the Cold War NATO has redefined its raison d'etre, extending its membership, broadening its political goals and widening its zone of operation. It has also sought to enhance its co-operation with Russia, for example through the NATO-Russia Council, though moves here have coincided with factors which make co-operation more difficult, such as growing uncertainty about the transition to democracy in Russia, a feeling among some people in Russia that NATO enlargement and the simultaneous diminution of Russia's influence were related, and, more recently, Russia's attempts to...