States have experimented with taxes based on price, weight and potency, but competition is heating up as more states legalize and the market matures.
While licensed retailers are subject to inspections and constrained to selling products sourced through licensed channels, the unlicensed market seems to operate outside these requirements, with little pressure from law enforcement.
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Legalising marijuana in Nigeria should start with what science is required and what scientific capability the country has.
Bill Blazina, 73, uses a high-potency marijuana oil as a medical marijuana patient, but he can’t afford it at a recreational marijuana store.
AP Photo/Gillian Flaccus