Legalising cannabis could net the Treasury £1bn a year in tax revenue, a report backed by some MPs has claimed.
The Adam Smith Institute, a free-market think tank, said the UK's policies had failed to stop the production and use of cannabis or the associated crime.
Albania has become the largest producer of outdoor-grown cannabis in Europe. The potent plant has been described as "green gold" for struggling farmers. In a poor nation, it's a billion-euro industry.
