Russia’s unilateral annexation of Crimea and support for separatists in eastern Ukraine have ruptured its relations with the West, and Putin has intentionally recreated a Cold War atmosphere by touting Russia’s “conservative values” as an ideological counterweight to the American-led liberal world order. Nonetheless, key issues – the carnage in Syria, the fight against the Islamic State, nuclear non-proliferation, and conflicting interests and competing claims in the Arctic – cannot be resolved without Russia’s involvement.