Pot is NOT legal in Canada yet, don't believe that previous poster. It IS legal IF you can get a doctors approval for it, and then you need glaucoma or some other ailment.
Hundreds of people across the country are charged with possesion, traffic, and manufacture of mary J every day still.
This law will overturn all previous convictions, as well as make pot use legal, AND controlled by the government.
In other words the economy in British Columbia will absolutely tank. 10 billion CASH a year is injected by the users/growers/distributors DIRECTLY into the Canadian economy, mostly in B.C. Pot will likely no longer be a profitable side venture for people any longer, not when you'll be able to buy it in stores, IE stores under fed control. When the fed gov't decides to take all that money for itself, or at least a large whack of it....well, don't expect a "transfer" payment back to the province anytime soon BC guys. It'll all get rolled into health care.
This is all just another Liberal party scam. It sounds good to users of pot, but in the long run it won't be.
Also realize that at any given time there is 250+ US agents from the BATF, DEA, and FBI in the lower mainland in BC. This is a symbol of the commitment of the US's war on drugs. They will go absolutely crazy if Canada legalizes it. Think of the wait at borders, if you'll still even be able to get across.