ABC News' political director Averi Harper breaks down the race in Arizona that's putting a spotlight on the divide in the Democratic Party.

The next test of who Democratic voters want to see leading the party will take place Tuesday in southwest Arizona, where ...

Adelita Grijalva is the front-runner to replace her father in Congress but faces an unexpectedly competitive primary ...

NBC News Correspondent Vaughn Hillyard reports from Tucson on how Adelita Grijalva won the Democratic primary for Arizona’s ...

Members of the Arizona Democratic Party voted to oust Chair Robert Branscomb during a chaotic July 16 special meeting.

Tensions within the Democratic Party over age, representation and experience have roiled a special election primary in ...

Adelita Grijalva beat back charges of “legacy” and embraced the memory of her father, Raúl Grijalva, to win the Democratic ...

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

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

By Richard Cowan WASHINGTON Reuters) -Establishment-backed Democrat Adelita Grijalva was set to win a primary to fill the U.S ...

A special election for a vacant congressional seat in southern Arizona has become a tussle about the need for change in the Democratic party. After Rep. Raúl Grijalva died in March, Deja Foxx, 25, is ...