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As several states in the US voted to legalise cannabis for recreational use, we look at where that leaves the rest of the world. Venetia Rainey reports from Lebanon, a country the UN says is among the world's biggest sources of cannabis products. Also, we hear from Georg Wurth, head of the German Hemp Association about the campaign to legalise marijuana in Europe and we speak to Dina Browner, perhaps California's most well-known supplier of cannabis products.

(Photo: Medical marijuana patients at a California dispensary, Credit: Getty Images)