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TIARA VIAN: From KJZZ News in Phoenix, I'm Tiara Vian. The Maricopa County Board of Supervisors unanimously certified the results of the primary election today. From KJZZ's politics desk, Camryn Sanchez reports.
CAMRYN SANCHEZ: The primary election went pretty smoothly, and that's something the supervisors and Recorder Justin Heap were able to agree on. The two entities have been fighting tooth and nail for months over the distribution of election responsibilities, but resolved the issue in a court battle shortly before the election. Supervisor Thomas Galvin noted there were no allegations of stolen elections in the primary.
THOMAS GALVIN: Also, what I heard today in the presentations is very important from our elections department and from our recorder's office is just as important what I didn't hear. No allegations of fraud. No allegations of vote-rigging. No allegations of fixed elections.
SANCHEZ: The supervisors say they hope this will be a blueprint for the November general election. Camryn Sanchez, KJZZ News, Phoenix.
VIAN: Extreme heat warnings are in effect for multiple Arizona counties this week. KJZZ's Alisa Reznick reports warnings have been extended for Maricopa County and four others through tomorrow.
ALISA REZNICK: Those counties include Coconino, La Paz, Pinal, and Yuma. Another warning for Mohave County is in effect through Wednesday. The warnings come on the heels of a new heat record of 115 degrees in Phoenix over the weekend. Gabriel Lojero, with the National Weather Service, says even after the high temperatures back off, it may still take longer to feel cooler.
GABRIEL LOJERO: The issue is that the the humidity levels are actually going to go up a little bit. Um, so it's actually going to feel even more uncomfortable, um, as we head throughout the upcoming week.
REZNICK: Lojero says there's a better chance of low desert storms later this week. Alisa Reznick, KJZZ News, Tucson.
VIAN: Arizona Attorney General Kris Mayes is leading several states in a third lawsuit against the Trump administration over tariffs. The Democratic coalitions of attorneys general won the other cases, but the Trump administration keeps imposing new tariffs under different laws. This time, it's under a section of the 1974 Trade Act designed to target countries using forced labor. Mayes says using that law is just an excuse for Trump to keep pushing his tariff agenda.
KRIS MAYES: This was all a pretext. They made it clear that the moment that these Section 122 tariffs ran out, they were going to pivot to Section 301.
VIAN: The attorneys general are asking the United States Court of International Trade to, again, deem the tariffs illegal and reject them.
Scientists are launching a new effort to improve estimates of how much water evaporates from major reservoirs in the Upper Colorado River Basin. Desert Research Institute scientist Chris Pearson explains.
CHRIS PEARSON: Improved estimation of the timing and the magnitude specifically for reservoir evaporation will strengthen our water budget estimates, um, and support really data-driven water management strategies.
VIAN: Pearson says the goal is to give water managers a clearer picture of how much water is available as they make difficult decisions about the Colorado River's future.
