America's $3.7 trillion wars.

When President Obama announced that he would withdraw 33,000 troops from Afghanistan by mid-2012, he cited the cost of the war as a factor in his decision. Rightly so: By the time the wars in Iraq and Afghanistan end, it's estimated they will have cost the U.S. trillions and trillions of dollars, according to "Costs of War," a research project conducted by Brown University. That's enough to cover California's total spending — estimated at $86 billion this year — for at least the next four decades. How does that money break down, and where is it going?.Link