How will legalizing marijuana affect addiction treatment?
http://www.drugabuse.gov/publications/marijuana-facts-parents-need-to-know/talking-to-your-kids-communicating-risks
http://www.samhsa.gov/data/NSDUH/2k11Results/NSDUHresults2011.htm#Fig7-2
http://www.whitehouse.gov/ondcp/frequently-asked-questions-and-facts-about-marijuana
http://www.drugabuse.gov/publications/drugfacts/marijuana