With more cannabis shops than branches of Starbucks and further liberalisation to come - why hasn't the trade in legal marijuana decreased the number of dealers on the street in Colorado?
The traditional three-drug cocktail that US prisons have used for more than 20 years to kill the condemned relies on a key drug made in the EU - and the EU won't sell it to executioners. Executions are now experiments.
A group calling themselves The Avengers were a bit like the Yelp of buying acid online.
Khat has been part of Somali, Yemeni and Ethiopian culture for hundreds of years. In banning the substance, Theresa May runs a very real risk of creating violence and organised crime.
South Africa has become a major transit-point for the drugs trade, some of which is destined for Britain.
Love, hate and Ecstasy.