Well, AC got here before me, but yeah -
All drugs, including marijuana, should be legalized - do people never learn that porhibiting does not work?
What have people learned from Prohibition in 1920s?! If anything...
Of course it should be legalized - marijuana, in particular had nothing to do with it being a drug when it was legalized. The problem it represented was the fact that it became a threat t paper industry, you can produce marijuana oil on which the cars can run (yey, solution to war in iraq), it also reporesented a compatition to cotton business...
So yes, legalize the damn thing - in an ideal world all drugs should be legal.
For the past 100 years (when opium was first criminalised) all hard drugs have been illegal, yet somehow they managed to be the top trade in the world today...alongside weapons and oil...hmmmm