International efforts to tackle the "global threat" of illicit drugs must be "rejuvenated" in accordance with a 50-year-old convention despite a series of major failings, said the head of the UN drugs and crime agency Yury Fedotov. Champions of drug-policy reform agree that trafficking is a major global problem, but some worry that a call to invigorate the convention could be interpreted as a call to reinforce punitive approaches to drug problems.