Monitoring legal pot: How do we know if it works?
Dozens of government officials and researchers from a half-dozen U.S. states and a few countries that have legalized marijuana or are at least thinking about it are gathering in Washington state this week for meetings focused largely on one question: How do we know if it’s working? Organizers say it’s crucial to get a better handle on what data are being collected about the impacts of legalization and to consider what further research is needed.
The Washington Post / AP (US)
Wednesday, June 10, 2015