Goldman Sachs says Trump's spending plan won't stop the national debt from hitting 'unsustainable' highs not seen since World War II FortuneThe Path to Record Deficits WSJHow high can US debt go before it triggers a financial crisis? The Conversation'Economic heart attack': 3 top experts detail how they see a possible US debt crisis unfolding Business InsiderJune 2025 Newsletter: 3 Misconceptions About US Debt