By Graham Lee Brewer NORMAN, Okla. (AP) — Three tribal nations and five Native American students say in a lawsuit that the Trump administration has failed its legal obligations to tribes when it cut jobs at Bureau of Indian Education schools. Firings at two colleges as part of the administration’s cuts to federal agencies, with the help of Elon Musk, have left students and staff with unsafe conditions, canceled classes, and delayed financial aid, according to the lawsuit Friday. Lawyers at the Native American Rights Fund filed the suit in federal court in the nation’s capital against the heads of the Interior Department, the Bureau of Indian Affairs and the Office of Indian Education Programs on behalf of the Pueblo of Isleta, the Prairie Band Potawatomi Nation, and the Cheyenne…