Navajo Nation President Jonathan Nez

Navajo Nation lawmakers may have thrown a wrinkle into efforts aimed at establishing a permanent buffer around Chaco Culture National Historical Park, as New Mexico’s congressional delegation, environmentalists and other tribes try to keep oil and gas development from getting closer to the World Heritage site.

The Navajo Nation is spending close to $2 million to maintain access to a transmission line that once carried power from a coal plant to western states.

(Ryan Dorgan/The Casper Star-Tribune via AP, File)

Navajo Nation President Jonathan Nez says the tribe will not financially back the bonds a tribal energy company needs for a trio of newly acquired coal mines off the reservation. The Navajo Transitional Energy Company recently bought Montana's largest coal mine and two others in Wyoming at auction after Cloud Peak Energy declared bankruptcy.

Native American and Hispanic leaders have told a panel of members of Congress that decisions to reduce the number of polling stations and restrict early voting have disenfranchised members of their community in Arizona.

A former longtime chairman of the White Mountain Apache Tribe has died.