Cruise ship guards' killing of polar bear sparks international outrage

Cruise ship guards' killing of polar bear sparks international outrage  CBS News Did cruise ship guards have to kill polar bear? Experts say maybe — but blame climate change  NBCNews.com Cruise line faces backlash after guard kills polar bear near North Pole  Fox News Norwegian police say cruise ship staffers tried to scare polar bear away with signal pistol before killing it  New York Daily NewsFull coverage

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