alt text
tweet by Johann Hari: The core of addiction is not wanting to be present in life, because pour life is too painful a place to be. This is why imposing more pain or punishment on a person with an addiction problem actually makes their addiction worse.
Coca needs equatorial latitudes and high altitudes, so even the Mexican mountains probably don't grow it that well. I've long thought the New Guinean highlands would be a great place to grow coca. As for khat, it should be growable in the southwest US.