(Felicia Fonseca | AP) Jill Biden, wife of presidential candidate and former Vice President Joe Biden, left, and Tuba City Regional Health Care Corp. chief executive Lynette Bonar pose for photos after an event in Flagstaff, Ariz., on May 22, 2019. A hospital on the Navajo Nation begins offering cancer treatment to patients who previously had to travel long distances for care. The Tuba City Regional Health Care Corp. in northeastern Arizona saw its first patient this month. The hospital says the treatment center is the first on a Native American reservation.