The hole is getting deeper because we are doing little to bring our income into line with our spending. And until now I haven’t even talked about the interest payments on our federal debt. Suppose our government fails to increase federal revenues above the current rate. Based on the GAO’s latest long-range alternative budget simulation, within about twelve years, our interest payments will become the largest single expenditure in the federal budget. By 2040, all of our federal tax revenues will add up to enough to cover only our two biggest expenses: interest on our debt and Medicare and Medicaid. Everything else – Social Security, defense, education, road building, you name it – will fail to be funded.

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