The Laws of Economics

From the NYTimes: an important headline that is completely obvious...
Pentagon Says Iraq Effort Limits Ability to Fight Other Conflicts
Now, from RWP, get a sneak-peak at tomorrow's headline:
Bank Says Spending Money Now Limits Ability to Buy Other Stuff
Doing anything that requires resources, means that those resources can't be used for other projects.
Econ. 101. Duh!