Where is the comparison with alcohol and other legal drug-related automobile accidents? I think it's safe to say stoned driving is a -lot- less dangerous than drunk driving, and let's not even discuss driving on legal pharmaceutical painkillers - which more people are addicted to than heroin, cocaine and meth combined.

This may or may not be a biased experiment, but: http://www.youtube.com/watch?v=TzKjFiGFrcU