doug141 writes: For 1/6th the cost of the war in Afghanistan, the US could build a national water grid that mitigates flooding in the midwest and provides arid western states with water. It would pay for itself in a single major flood event, and make your food cheaper. Link to Original Source
"You show me an American who can keep his mouth shut and I'll eat him."
-- Newspaperman from Frank Capra's _Meet_John_Doe_