From Pot to Profit - a podcast by BBC Radio 4

Sarah Dunant welcomes Canada's plans to fully legalise marijuana and sees the benefits of a booming cannabis products industry in the American states where it's already legal.

"It costs society too much, in all senses, to criminalise so many people - and disproportionately young black or Latino men - for doing something, which legalised could create jobs and help balance the budget."

Producer: Sheila Cook.

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