"Over the past ten fiscal years, inflation-adjusted Defense Department spending has increased by approximately 54 percent," according to Treasury Department data. And according to economist Bob Higgs, defense spending is even more than stated in this article. Bring on the sequester and much, much more. Is there really any reason why the US should should spend as much on defense as the rest of the world combined? The answer, of course, is that U.S. defense spending is really U.S. offense spending.