Re: "You can't have state-funded preschool if you don't have a state" - USA is protected by two immense oceans right and left and two huge, weak and pliable neighbors up and down. From all sides USA is well protected without spending hundreds of billions anually. About ballistic missiles threat - USA already has 1,200 nuclear warheads deployed in various forms (submarine, air force, ground silos) so MADD takes care of that.

With 2% of GDP USA would take care of all its defense needs. USA does not need 11 aircraft carrier groups, about 100 nuclear-powered submarines, about 2,000 jet fighters, only God knows how many destroyers, to protect itself.