Professor Nutt "Why not?"
MP "Because one's illegal."
Professor Nutt "Why is it illegal?"
MP "Because it's harmful."
Professor Nutt "Don't we need to compare harms to determine if it should be illegal?"
MP "You can't compare harms from a legal activity with an illegal one."
http://www.amazon.com/Drugs-Without-Hot-David-Nutt/dp/190686...
edit: Economist review of said book: http://www.economist.com/node/21560223
Professor Nutt "Why not?"
MP "Because one's illegal."
Professor Nutt "Why is it illegal?"
MP "Because it's harmful."
Professor Nutt "Don't we need to compare harms to determine if it should be illegal?"
MP "You can't compare harms from a legal activity with an illegal one."
http://www.amazon.com/Drugs-Without-Hot-David-Nutt/dp/190686...