Although the Arctic was a front line during the Cold War, the harsh climate and limited transit options also made it a relatively secure frontier in the post-Cold War era. And as a result, Russia's Arctic infrastructure and activity -- particularly in the security realm -- waned considerably as the country's priorities shifted elsewhere. But this has been changing in recent years, as the sea ice that has long barricaded Russia from the rest of the world begins to open up. Moscow's renewed Arctic push, however, is less about allowing more transit through Arctic waters, but about exploiting mineral and energy reserves that will become more accessible as the climate shifts and technology advances. Upon its return to the Arctic, however, Russia will be forced to maneuver a landscape that has changed drastically since the Cold War -- one where "near-Arctic" China is advancing its own interests, and where the United...