Arizona’s ‘dark money’ law faces challenge from Republican lawmakers

• Arizona Supreme Court allows challenge to voter-approved “dark money” measure • Voters approved Proposition 211 in 2022 to increase transparency in campaign financing • The measure requires organizations to trace donations back to original source

Republican legislative leaders are entitled to challenge a voter-approved measure designed to shine a light on “dark money” in Arizona politics, the state Supreme Court ruled.

In a divided ruling, five justices acknowledged that it was voters in 2022 who approved Proposition 211, exercising their constitutional power to create their own laws when the Legislature does not act. And the justices said another voter-approved constitutional measure bars lawmakers from repealing what has been approved at the ballot.

But Justice Clint Bolick, wri