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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 Congress.

The next test of who Democratic voters want to see leading the party will take place Tuesday in southwest Arizona, where three leading candidates are offering competing visions in the primary to fill the late Rep.

A special election for a vacant congressional seat in southern Arizona has become a tussle about the need for change in the party.

The estimated 700 members of the party's statewide committee are scheduled to meet on July 16 to decide whether to retain Chair Robert Branscomb II.

Adelita Grijalva is a veteran of both Tucson’s school board and the Pima County Board of Supervisors. She’s also the 54-year-old daughter of the progressive icon Rep. Raúl Grijalva, whose death in March kicked off the special election for his U.S. House seat in Arizona that she is now favored to win.