Tesla and SpaceX CEO Elon Musk has expressed growing concern about the future of the U.S. dollar, citing the escalating national debt as a potential catalyst for an impending economic crisis. What Happened: On Friday, Musk was replying to a user on X, formerly Twitter, when he voiced his apprehensions about the U.S. dollar’s stability. “We need to do something about our national debt or the dollar will be worth nothing.” See Also: Ray Dalio Gives A Nod To Larry Summer’s Contention That Federal Reserve In A ‘Treacherous Environment’: ‘Should Be Very Cautious About Possible Rate Cutting’ He late…