In a move that fuses domestic revival with international strategy, the Trump administration has greenlit the expansion of Montana’s Bull Mountains coal mine—unlocking nearly 60 million tons of coal destined for key U.S. allies Japan and South Korea. The approval, announced Friday by the Department of the Interior, comes under President Trump’s national energy emergency directive, signaling a bold return to coal as a cornerstone of U.S. energy policy and foreign leverage. The mine’s expansion, led by Signal Peak Energy, is…