Economic press coverage of the Federal budget is usually limited to the annual deficit, the shortfall of tax and fee collections versus spending. While the deficit as a percentage of GDP is down to about -4% from 2009 when it was more than -9%, the deficits do accumulate. Now, the total debt of the US exceeds GDP. This is likely to keep political pressure on the Fed to keep rates down. It also means that a 1 percentage point rise in interest rates would cost $180 billion and can double the annual deficit. But the Fed may not be able to increase interest rates when they want to no how hard they might try. International rates, such as those in Germany, have recently been below 0.5% for the 10 year bond. US rates are comparatively high in the 2% range, and any push upward by the Fed would probably be met by arbitrage actions in the other direction.