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Times have changed. In Michigan we plan on killing wolves because some feel there are too many. It's a different story on Isle Royale where the wolf population is hanging on by a thread. But because Isle Royale National Park is a designated wilderness area, we, as humans, have pledged not to intervene. So what should we do? The National Park Service has a big decision to make. The folks who have been studying this place for a long time share their thoughts in this op-ed piece.