For more than two decades, much of Southern Arizona was represented by Rep. Raúl M. Grijalva, a liberal stalwart who championed environmental causes, supported immigrant rights and advocated on behalf ...

Grijalva’s death came a week after former Rep. Sylvester Turner, D-Texas, died at 70. In May, Virginia’s Rep. Gerry Connolly, 75, was the third Democrat to die in office.