NOT READY FOR MARIJUANA LEGALIZATION? – Years ago the criminal code provided for “drug recognition experts” and a methodology for determining impairment by a drug. (Not that it works well because different drugs affect different people differently.) It’s their own fault if they haven’t trained their officers to be DREs yet. It seems the height of policymaking to adopt a zero tolerance for something you can’t prove.
A federation of police unions said five Quebec police forces have no one trained to test for drug use
Source: Quebec cannabis: Police say they’re not prepared to test drivers for marijuana