Cannabis was legalized nearly four years ago. Why are past convictions for simple possession only being pardoned? In late may, Health Canada approved a three-year pilot project in British Columbia that will effectively decriminalize the possession of small amounts of drugs, like opioids, MDMA, methamphetamines and cocaine, in the hopes of curbing overdose-related deaths. The program takes a more compassionate approach to addiction than the punitive one favoured by governments in the past. This decision…