SAN DIEGO (AP) — Two military helicopters collided over the California desert during nighttime training exercises, killing seven Marines in the latest of several similar accidents in the region.

The four remaining GOP presidential candidates sparred in Mesa on Wednesday night. The CNN debate addressed issues critical to many Arizonans, including immigration and border security. But much of the debate was taken up with national policy, and there was little discussion of job creation.

Republicans will gather outside of Phoenix on Wednesday for the last prime-time presidential primary debate before Super Tuesday.

Correspondence from the late Barry Goldwater shows the former senator thought highly of Newt Gingrich, but was also wary of Gingrich putting his foot in his mouth. From Phoenix, KJZZ's Paul Atkinson reports.

The Sedona Film Festival is underway in the red rocks of Northern Arizona. One of the films featured at this year’s festival is “In Good Time.” It’s a documentary about the life of jazz pianist and long-time host of NPR’s “Piano Jazz,” Marian McPartland.

The Wallow Fire burned in Eastern Arizona and Western New Mexico from May 29-July 8, 2011.

A coalition of social service, community and health groups will host a meeting tonight, to talk about recent changes in health care in Arizona. From Phoenix, KJZZ’s Mark Brodie reports.

The Maricopa County Court building that was the focus of investigations, lawsuits and legal battles was formally dedicated this afternoon.

In 1912, Arizona became the 48th state to join the union. Manifest Destiny was already assured, so as far as Washington was concerned, adding Arizona was not a pressing issue.

Mitt Romney made a campaign stop in Arizona on Monday as the state prepares to vote in a Republican presidential primary at the end of the month. Romney took the opportunity to blast President Barack Obama’s new budget proposal.