The debt to GDP is now 100% not a good sign. If china and all the countries and all investors the world over shun the dollar. Interest rates would rise and the federal reserve would be forced to buy bonds from the treasury to fund the government and pay interest on all of the governments bills notes and bonds. When the buyers for united states debt obligations disappears the whole system will come crashing down. This is the type of thing that peter shiff has been warning everyone about when the ability of the united states to pay its debts becomes clearly in doubt all the buyers for united states debt securities disappears overnight.