Hopis are voting Thursday to narrow down the list of candidates for tribal chairman. Tim Nuvangyaoma is seeking a second, consecutive term in the post. He faces David Norton Talayumptewa, a member of …Hopis are voting Thursday to narrow down the list of candidates for tribal chairman. Tim Nuvangyaoma is seeking a second, consecutive term in the post. He faces David Norton Talayumptewa, a member of …