LA Times: On an icy island wilderness near the tip of Minnesota, a female gray wolf's demise has added to the debate about whether authorities should try to save the wolves of Isle Royale National Park.
Once, wolves could regularly move on and off the island along ice bridges to find fresh mates. Now, researchers say, climate change has made ice bridges rare on Lake Superior, and the increasingly isolated wolf population has grown weak through inbreeding. The death of the wolf nicknamed Isabelle -- who...