Zach Lahn, Republican candidate for Iowa governor, speaks to local residents during a meet and greet, Tuesday, Aug. 4, 2026, in Hampton, Iowa. (AP Photo/Charlie Neibergall)

Zach Lahn, Republican candidate for Iowa governor, speaks to local residents during a meet and greet, Tuesday, Aug. 4, 2026, in Hampton, Iowa. (AP Photo/Charlie Neibergall)

A woman walks near the fountain at the WWII Memorial, in Washington, Wednesday, July 29, 2026. (AP Photo/Rahmat Gul)

People watch a carousel on the South Bank of the River Thames during the fifth heatwave of the year in London, Thursday, Aug. 13, 2026. (AP Photo/Kirsty Wigglesworth)

FILE - A vehicle from U.S. Army's the Stryker Combat Team crosses a floating bridge on the Namhan River during the combined river-crossing drill between South Korea and the United States as a part of the Ulchi Freedom Shield 25 in Yeoju, South Korea, Aug. 27, 2025. (AP Photo/Lee Jin-man, File)

The ruins of the ancient Roman Neronian bridge, emerge from the riverbed of the Tiber river due to drought, in Rome, Thursday, Aug. 13, 2026. (AP Photo/Gregorio Borgia)

The ruins of the ancient Roman Neronian bridge, emerge from the riverbed of the Tiber river due to drought, in Rome, Thursday, Aug. 13, 2026. (AP Photo/Gregorio Borgia)

The ruins of the ancient Roman Neronian bridge, emerge from the riverbed of the Tiber river due to drought, in Rome, Thursday, Aug. 13, 2026. (AP Photo/Gregorio Borgia)