(Mandel Ngan | Pool via AP) Navajo Nation President Jonathan Nez speaks during a live radio address with first lady Jill Biden in attendance, in Window Rock, Ariz., on Thursday, April 22, 2021. Nez questions the fairness in awarding more money to tribes that don't have at least a one-fourth blood quantum. "Here on Navajo, we verify blood quantum, and that's a requirement," he says.