With just one week until Arizona’s primary election, political spending to affect legislative races paid for by outside groups that don’t disclose the source of the money amounts to almost half a million dollars.

It’s all over for Rep. Nancy McLain. The Bullhead City Republican hoped to switch over to the state Senate but instead landed third in the GOP primary for the Senate in a western Arizona district. Kelli Ward, an osteopathic doctor, ...

House Democratic Leader Chad Campbell and Rep. Lela Alston held back a challenge in Legislative District 24 from political newcomer Tom Nerini and Democratic activist Jean Cheuvront McDermott, the mother of former lawmaker and Senate candidate Ken Cheuvront.

In what may have been Arizona’s most bizarre primary race, House Speaker Andy Tobin has defeated an opponent backed by out-of-state money and friends who include Herman Cain, Joe the Plumber and the creator of the notorious Willie Horton attack ads.

Former Apache Junction Mayor Doug Coleman and Tea Party candidate Kelly Townsend of Mesa took the lead in a four-way House Republican primary Tuesday in House Legislative District 16.