Writer and environmentalist Kim Todd joins us to talk about her essay, published in July of 2017 by Orion Magazine, "The Island Wolves." In the mid-twentieth century, scientists began a study on Lake Michigan's Isle Royale, believing it to be a perfectly isolated, natural laboratory, in which they could study predator-prey relationships between wolves and moose, untainted by outside human influence. What they found would throw decades of scientific assumptions into disarray.