The Community Anti-Drug Coalition of America (CADCA), one of the largest anti-legalization organizations in the US has a curious sponsor: Purdue Pharma, the manufacturer of Oxy-Contin, the highly addictive painkiller that has been linked to thousands of overdose deaths nationwide. A familiar confederation of anti-pot interests have a financial stake in the status quo, including law enforcement agencies, pharmaceutical firms, and nonprofits funded by federal drug-prevention grants.