http://www2.macleans.ca/2011/08/18/get-ready-for-armageddon/ "Yet within a decade the United States will be paying more in interest payments than it pays for the military—and that’s not because the Pentagon is such a great bargain."
following joseph tainter, vaclav smil, ronald wright, jared diamond, peter turchin and niko tinbergen Failure is the best option