1. Raise Taxes; or,
2. Cut benefits; or,
3. Inflate the currency to get rid of debt.
There's another alternative, repudiate the debt: the US Govt defaults.
Quoth the maven:
"Governments of rich countries are borrowing so much that it's conceivable that one day the twin assumptions underlying their burgeoning debt (that lenders will continue to lend and that governments will continue to pay) might collapse. What happens then?"
read the rest:
Up Against a Wall of Debt