What's The Biggest Cash Crop In The US?

Not corn. Not soybean. Not hay. It's pot. Harold and Kumar would be proud. And seriously, when a law is so completely ignored and there's a movement by many states to make something legal -- at least for the very ill -- then surely it's time to rethink policy. Saying if you legalize pot that you're on the way to legalizing cocaine or LSD is like saying if you raise the speed limit to 65 mph you're destined to raise it to 90 mph.