Southern Arizona Democrats have crowned Adelita Grijalva the victor of a July 15 U.S. House special primary election, setting the former Pima County supervisor on a glide path to succeed her father in...

Voters in southern Arizona are selecting nominees Tuesday to succeed the late U.S. Rep. Raúl Grijalva, who was one of the most senior and progressive power brokers on Capitol Hill.

Mr. Grijalva’s daughter Adelita is the favorite and has the backing of progressive groups, as well as institutional Democrats.