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Lisa Upson

A pair of gray wolves in an undated file photo that were moved from the Red Feather Lakes, Colorado, wolf refuge, to a new refuge in northern New Jersey.

How success saving the gray wolf may backfire on environmentalists

Environment

Once nearly extinct, the gray wolf is now back in the western United States and considered a major success for animal conservation. But reintroducing the gray wolf has been contentious, and the bitter fight over the animal may have given anti-conservationists new political tools.