The Taliban (officially) banned opium cultivation last April, as they did before 9/11 and the subsequent US invasion that ousted them from power in Afghanistan. But in the 20 years that followed the group became the Pablo Escobars of the global poppy trade by taxing opium farmers. Now the Taliban say growing poppies is again verboten, but this year's harvest is mostly in the bag, and enforcing the ban won't be easy. We look at opium cultivation in Afghanistan since 1996, when the Taliban first ruled the country.
