The spooks at the Pentagon came up with this Manthorpe Curve
back in 1991. Here is the URL
http://www.thomaspmbarnett.com/pnm/manthorpe_curve.htm
Check out that IRAQ bump in 2005!
It seems as if the fellows in the Naval War College must live/study/eat this stuff 24-7
Anybody out there read Thomas PM Barnett? I am tempted to go ahead and purchase his latest book on these matters.