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 ...

Eight candidates will go before southern Arizona voters at the ballot box Tuesday in special congressional primaries to replace longtime Democratic U.S. Rep. Raúl Grijalva, who died in March.

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