Essay by Kofi Annan for Spiegel. In my experience, good public policy is best shaped by the dispassionate analysis of what in practice has worked, or not. Policy based on common assumptions and popular sentiments can become a recipe for mistaken prescriptions and misguided interventions.
Nowhere is this divorce between rhetoric and reality more evident than in the formulation of global drug policies, where too often emotions and ideology rather than evidence have prevailed.
Take the case of the medical use of cannabis. By looking carefully at the evidence from the United States, we now know that legalizing the use of cannabis for medical purposes has not, as opponents argued, led to an increase in its use by teenagers. By contrast, there has been a near tripling of American deaths from heroin overdoses between 2010 and 2013, even though the law and its severe punishments remain unchanged.