Governor says Alaska will challenge polar bear listing

Anchorage, Alaska -- Alaska Gov. Sarah Palin says the state will sue to challenge the listing of polar bears as a threatened species under the Endangered Species Act. Palin on Wednesday said there is insufficient evidence to support the decision U.S. Interior Secretary Dirk Kempthorne made last week. Palin says polar bears are well managed and that their numbers have dramatically increased over 30 years...

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