US national debt passes $40tn after doubling in a decade BBCTrump’s America faces a ‘doom loop’ as it falls in a $56 trillion hole SMH.com.auUS gross national debt tops $40tn for first time The GuardianUS national debt crosses $40 trillion threshold The Canberra TimesU.S. government debt passes $40 trillion, more than doubling in a decade CNBC
