Crop-Dusting Aids Colombia's War on Drugs

An aggressive, U.S.-funded crop-dusting program is helping Colombia make progress in its war on illegal narcotics crops. A U.N. study says the coca crop — source of cocaine — has been cut by a third over the last three years. But some say the spraying has unhealthy side effects for people and food crops in the line of the dusters. Hear NPR's Martin Kaste.



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