Canada is part of a International legal framework on psychotropic drugs. Meaning legalization is not allowed but they can loosen sanctions.
Provincial and Federal would also need to get on the same page, that should take time in its self.
I read yesterday's paper saying the CEO of NB Liquor is spearheading research into selling dope in his stores, which would be cool in a sense; better than the shoppers drug mart IMO, but still not better than having booze and dope separated and keep selling grass in out of dispensaries. It's hard to tell where this is all going at this time, it's interesting to see it unfold, and headlines are still being pressed out so it's not just sitting on the back burner.