Laurence all your points about train drivers are completely invalid. You're not allowed to drive a train under the influence of any type of substance including alcohol, so why single out weed? Get a life!
Legend, I agree that cannabis use is prevelant in people that have schizophrenia, but I would suggest that you might give the chicken and egg scenario some thought before blaming one for causing the other.
Goodsoulette, green is much more natural than squidgy! It's not genetically modified, it's bred to be better, they don't mess around with it on a molecular level, they just breed different varieties together to improve the quality, much like a doberman! Although squidgy is still bettter than your average dirt bar.