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Bella the cow, looks into the camera lens as she wanders around outside Mexico's Congress in Mexico City, December 5, 2002. Ranchers from the state of Chihuahua have brought 20 cows to take part in a sit in outside Congress to pressure legislators into proposing that the presidency impose a moratorium on the lifting of tariffs on agricultural products imported from the U.S. and Canada on from January 1, 2003. Mexican farmers fear they will lose their livelyhoods if Mexico is flooded with cheaper imports from its North American Free Trade (NAFTA) partners. REUTERS/Andrew Winning