Navajo Nation President Jonathan Nez and First Lady Phefelia Nez welcome the Casey Family Programs Board of Trustees to Window Rock Oct. 3 to continue partnering to provide critical services that benefit Navajo families and children.Navajo Nation President Jonathan Nez and First Lady Phefelia Nez welcome the Casey Family Programs Board of Trustees to Window Rock Oct. 3 to continue partnering to provide critical services that benefit Navajo families and children.