Bolivia says that it has been re-admitted to the UN's anti-narcotics convention after persuading member states to recognise the right of its indigenous people to chew raw coca leaf, which is used in the making of cocaine. Evo Morales, the Bolivian president, had faced opposition from Washington in his campaign against the classification of coca as an illicit drug. "The coca leaf has accompanied indigenous peoples for 6,000 years," said Dionisio Nunez, Bolivia's deputy minister of coca and integrated development, on Friday. "Coca leaf was never used to hurt people.