Like 'flipping a coin': Why it's so hard to test drivers for pot - CBC.ca

CBC.ca
Like 'flipping a coin': Why it's so hard to test drivers for pot
CBC.ca
The federal government plans to invest $81 million to train police officers to smoke out drivers impaired by pot across Canada while using a test experts say is flawed and that is being challenged in a U.S court. An investigation by The Fifth Estate ...y más »