Bringing Back the WolvesBy: Jude Isabella Illustrator: Kim Smith Series: Ecosystem Guardians An unintended experiment in Yellowstone National Park, in which an ecosystem is devastated and then remarkably rehabilitated, provides crucial lessons about natures intricate balancing act. In the 1800s, hunters were paid by the American government to eliminate threats to livestock on cattle ranches near Yellowstone National Park. They did such a good job that, by 1926, no gray wolf