Rep. Raul Grijalva, D-Ariz., speaks during the first day of the Democratic National Convention in Philadelphia, July 25, 2016. (AP Photo/J. Scott Applewhite, File)
PHOENIX (AP) — U.S. Sen. Ruben Gallego, Navajo Nation President Buu Nygren and a slew of members of Congress were among those paying tribute to Arizona Democratic U.S. Rep. Raúl M.
