Is the government running a 'Ponzi gamble' with debt? One famous economist warns it may end badly

In 1995, three up-and-coming economists wrote a paper saying it was possible for the government, under the right conditions, to run a deficit and keep refinancing the debt indefinitely, gambling it would never actually have to be paid off. A quarter century and tens of trillions in federal debt later, the possibility raised by that paper is set to be put to the test as Washington ramps up the deba