The bone, along with a 12,000-year-old leg bone discovered at a nearby site, are some of the earliest evidence that ancient dogs and wolves formed close relationships with people in the Americas.
What happened when wolves were reintroduced into Yellowstone National Park in 1995 -- a cascade that embraced animals, plants, birds and even the earth itself.
The Save the Lobo rally, paid for by Defenders of Wildlife, featured a man in a wolf costume, children scrawling placards with crayons and people offering videoed testimony to be forwarded to Washington. Down the hall, an anti-wolf event was sponsored by Americans for Prosperity, an organization funded by the conservative Koch brothers. The group screened the documentary "Wolves in Government Clothing." Said one Arizona rancher: "Is this politically driven? Absolutely."
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