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.

The election to replace the late Rep. Raúl Grijalva is ultimately expected to send a Democrat to Capitol Hill, putting pressure on House GOP leaders.

Grijalva's daughter is the presumptive frontrunner in the 7th Congressional District's July 15 Democratic primary.

Tensions within the Democratic Party over age, representation and experience have roiled a special election primary in southwest Arizona, where a young, social media-savvy activist is taking on the daughter of Rep.

Adelita Grijalva is the front-runner to replace her father in Congress but faces an unexpectedly competitive primary featuring a young social-media-savvy newcomer.

Voters are heading to the polls in Arizona’s 7th Congressional District on Tuesday to choose their primary picks to succeed the late Rep. Raúl Grijalva (D-Ariz.), who died in March. Five

Southern Arizona voters are selecting a successor to one of the most senior and progressive power brokers on Capitol Hill, whose seat is up for grabs for the first time in over two decades.

Arizona Democrats on Tuesday will choose their nominee to run for a vacant U.S. House seat in September, as the party grapples with demands for generational change and divisions over just how progressive it can be in the era of President Donald Trump.

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