The Navajo Nation is poised receive $554 million from the federal government over mismanagement of tribal resources in the largest settlement of its kind for a single American Indian tribe. Much of the land on the 27,000-square-mile reservation has been leased for things like farming, grazing, oil and gas development, mining and housing. The leases once were largely overseen by the government, which mismanaged the revenue and failed to properly invest and account for it, according to the tribe. …