Western experts have offered various explanations for Russian President Vladimir Putin's actions in recent years. Some suggest Putin has been merely reacting to NATO and EU enlargement. Others suggest the Russian leader has succumbed to a bout of irrationality, spawned by a desire to return to the "good old days" of the Soviet Union. After all, according to historian Stephen Kotkin, traditional Soviet geopolitical thinking always assumed that Western capitalism would eventually disintegrate.
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