At present, 84 percent of the federal budget is for entitlements, defense, homeland security, or interest on the debt. Any effort to achieve a reduction in spending by focusing on the remaining 16 percent is unlikely to be very effective. For example, a 1 percent cut in nominal non-security discretionary spending for one year reduces total spending by only 0.17 percent. Over five years, it reduces total spending by 0.89 percent......