Beloved in France -- banned in California. Foie gras, the expensive duck's-liver delicacy, is now prohibited in the US state on the grounds that force-feeding birds to produce it constitutes animal cruelty. In France's southwest, where ducks have been force-fed grain to produce foie gras for generations, the economic impact is expected to be slight -- but the negative image of an industry could hit hard. Duration: 02:03