Cool video. "It has a nice beat. You can dance to it. So Dick, I give it an 80..." http://www.youtube.com/watch?v=wVkk6fH2u0Y&NR The information presented in the "crawl" along the bottom of the screen is particularly interesting. .
If you find that interesting, I have some additional material for you to read. http://norml.org/index.cfm?Group_ID=5513 Often, people will balk at the source of the information. I tell them to check their(NORML's) citation, then talk to me about biased information.