Of the 562 Native American tribes recognized by the U.S. government, some have prospered on their reservations, while many others have not.
The Hopi tribe in the state of Arizona is one of those struggling to improve the quality of life for its people, while at the same time, preserving its culture and religion.
Correspondent John Zarrella was granted rare access to the reservation, to explore the many issues threatening the Hopi way of life.