Social Security may be the third rail of American politics, but the defense budget is at least worthy of notable mention.  In fact, the defense budget is arguably the most politically sensitive budget item after entitlement spending.  Conservatives and Republicans, who have enjoyed an advantage over their liberal counterparts on national security issues since Vietnam, too often associate a “strong national defense” simply with increases in defense spending—without considering the expenditures in the context of broader U.S. grand strategy.  Many conservatives and Republicans are reluctant to propose cuts to the defense budget out of fear for appearing weak.  Many just lack any strategic sense and simply follow the big government internationalism crowd which includes both liberals and parts of the conservative movement.

Liberals and Democrats are split…