From the Arizona Republic:

Arizona voters will have to present identification at the polls on Nov. 7 after all.

The U.S. Supreme Court ruled Friday that Arizona can go ahead with requiring voters to present a photo ID, starting with next month’s general election, as part of the Proposition 200 that voters passed in 2004. The ruling overturns an Oct. 5 decision by the 9th Circuit Court of Appeals, which put the voter ID rules on hold this election cycle.

Of course, this was simply a procedural ruling, not a ruling on the merits of the constitutionality, but it’s a start.