The Arizona Corporation Commission election is shaping up to be a battle of outside spending after another group threw its money into the race in the past week.

Foes of legalized recreational marijuana are building up a war chest in an apparent bid to kill Proposition 205 with a last-minute barrage of media.

IE spending is coming, whether you like it or not

The ability and willingness to self-fund a political campaign confers instant credibility and is often enough to launch someone into the top tier of candidates in any race. But in Arizona, the candidates who have sought to use their wealth to their advantage in major races have had little to show for it over the past decade.

A Chandler firm that could lose business from legalized marijuana is now the largest contributor to a campaign to stop that from happening here.

Of the $1.9 million spent this cycle by “outside groups” to affect Arizona elections, $565,000 – or about 30 percent – comes with no disclosure of the source of the money.

After months of maneuvering, an Arizona Corporation Commissioner issued subpoenas to a utility company today seeking disclosure of charitable and campaign spending. Commissioner Bob Burns previously asked Arizona Public Service to disclose any charitable or political spending it made in ...

A dispute between Paul Gosar and agricultural interests is at the root of a super PAC’s campaign to oust the three-term congressman in the Republican primary.

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.

A requirement that dark money groups file frequent notifications of independent expenditure spending will likely continue, even after Secretary of State Michele Reagan’s rewrite of Arizona’s campaign finance laws struck it from the statutes, thanks to separate rules and laws enforced by the Citizens Clean Elections Commission.