From the Economists.
Background Reading:
- World Military Spending.
- Wikipedia: Military Budget of the United States.
A neat little quote from James Madison: Of all the enemies to public liberty war is, perhaps, the most to be dreaded because it comprises and develops the germ of every other. War is the parent of armies; from these proceed debts and taxes … known instruments for bringing the many under the domination of the few.… No nation could preserve its freedom in the midst of continual warfare.