Senator enters primary campaign beset by questions about national Democrats' meddling. Swing district is key to Dems' hopes ...

Arizona’s senior senator is focused on helping Democrats win back the majority in November, his campaign said.

An Arizona senator is trying to fight school choice at the federal level, and says other states shouldn’t look to his as an example on education funding. Arizona was an early adopter of school choice ...

Arizona’s U.S. senators used President Donald Trump’s State of the Union speech to send very different messages about the nation’s problems and the way forward, as they see it. Mark Kelly and Ruben ...