Interesting op-ed. I do think that the author does his argument a bit of a disservice by saying that 'it's not true'. Based on his own arguments and the data he

Interesting op-ed. I do think that the author does his argument a bit of a disservice by saying that 'it's not true'. Based on his own arguments and the data he refers to, a more correct answer is 'we're not sure' (as in not sure exactly how much or little the reintroduction of the wolf to GYE affected improvement in the ecosystem's biodiversity).