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Russia’s belligerence against Ukraine is underscoring once again the inextricable link between national security and energy security. Today, Russia is flexing its energy dominance over a dependent Europe. But tomorrow, the danger may come from China and its control over the raw materials that are key to a clean energy future. The United States and its allies must ensure that doesn’t happen, writes SAFE Chairman Admiral Dennis C. Blair, USN (Ret.), former Director of National Intelligence and Commander in Chief of the Pacific Command, and General Joseph F. Dunford Jr., USMC (Ret.), former Chairman of the Joint Chiefs and Commandant of the Marine Corps.