HARDtalk - Antonio Maria Costa, head of the United Nations Office on Drugs and Crime

With opium production in Afghanistan still high and a new front for drug trafficking flourishing in West Africa, is the international community really making any progress in stopping the flow of illegal drugs? Antonio Maria Costa is the head of the United Nations Office on Drugs and Crime. His office is tasked with making the world a safer place from drugs and drug-related crime. Zeinab Badawi asks him if his agency is fighting a losing battle.