There is no such thing as US not being able to repay it's debt,
all the loans are denominated in USD.
The presses these days are very advanced, can churn out billions
of dollars a day. 
what printing presses.............money has been created out of
thin air using computers long ago..........
it's in digital form.............they even save the money from
buying paper and ink..............
private central banks are the greatest scams of all times and
their owners are the owners of this planet............