An activist of the Anima Naturalis organization, representing a pig, demonstrates during the United Nations Climate Change Conference in Cancun, Mexico, Friday Dec. 10, 2010. (AP Photo/Eduardo Verdugo)

Associated Press
An activist of the Anima Naturalis organization, representing a pig, demonstrates during the United Nations Climate Change Conference in Cancun, Mexico, Friday Dec. 10, 2010. (AP Photo/Eduardo Verdugo)
An activist of the Anima Naturalis organization, representing a pig, demonstrates during the United Nations Climate Change Conference in Cancun, Mexico, Friday Dec. 10, 2010.
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