Arizona wants to mine uranium near the Grand Canyon. Tribal nations are fighting back.

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Earlier this year, Arizona lawmakers sued the Biden administration over the newly created Baaj Nwaavjo I’tah Kukveni — Ancestral Footprints of the Grand Canyon National Monument — arguing that the establishment of national monuments should be state matters and calling the move a “land grab.” Now, the Hopi, Havasupai, and Navajo Nation, whose ancestral lands overlap with the national monument, have...