Navajo Nation President Jonathan Nez and First Lady Phefelia Nez join families and friends Dec. 15, to congratulate Diné graduates from Arizona State University during the Fall 2021 American Indian Convocation.Navajo Nation President Jonathan Nez and First Lady Phefelia Nez join families and friends Dec. 15, to congratulate Diné graduates from Arizona State University during the Fall 2021 American Indian Convocation.