Democrat Rodney Glassman spent nearly $460,000 during a two-month period ending on Sept. 30 in his bid to unseat U.S. Sen. John McCain.

The cast of "Survivor" has nothing on Sen. John McCain. Once labeled a vulnerable incumbent, the four-term Arizona Republican is the clear front-runner against challenger J.D. Hayworth after spending some $20 million and casting his GOP opponent as a late-night infomercial huckster in a series of devastating ads. The primary is Tuesday.

Sen. John McCain's Republican primary challenger has released a new ad using McCain's own voice admitting to lying in the past.

At a time when the state treasury is reeling from a multi-billion dollar deficit, jobs are scarce and many residents are losing their homes to foreclosure, Arizona’s candidates for federal office appear to be recession-proof.

Former U.S. Rep. J.D. Hayworth had a much-needed opportunity Friday night to refocus Arizona's Republican Senate primary on incumbent John McCain, and he came out swinging.

Republican Senators John McCain and Jon Kyl are endorsing Gov. Jan Brewer in the Republican primary race for Arizona governor.

It takes 10 to tango in CD3. Here's a list of the candidates to watch.

J.D. Hayworth is launching his first television ad targeting Sen. John McCain in their Republican primary fight.

Sen. John McCain is taking heat from a television infomercial star famous for hawking free government money, who is angry that the Arizona senator used him in a campaign ad without permission.

John McCain's Republican primary challenger says a newly discovered video reveals that McCain had a closer relationship with a disgraced donor than the Arizona senator has let on.