In January, the Colorado Parks and Wildlife Commission voted not to allow the reintroduction of wolves back into the state. That's too bad, because wolves are coming. They may already be here. You don't think so? Then why is there a wolf-sighting form on the wildlife commission's website, and why do so many Coloradans claim to have seen canis lupus in the high country? Theories on how top-tier predators are crucial in ordering and stabilizing landscapes have now been proven. To understand the potential for wolves in Colorado, we can study lessons learned from two decades of wolf recovery in...