I once did a 25 page research paper on a controversial subject....i chose marijuanna, I wonder if I still ahve it? That was before every student was expected to own a laptop, I ended up with 30 hadwritten front and back pages.....
I used to know a lot about the subject, I've lost some touch. But that information seems to be pretty solid info with some references at the bottom.
In a nutshell pot is not addictive, its not any more dangerous then smokes or beer and its illegal because of myths and the inability at this point to regulate it.
Oh yeah, and don't forget the money the government gets from lobbyists fighting these drugs and the officers who get arrests, jobs, fines, etc.