Democratic presidential nominee Vice President Kamala Harris, right, and running mate Minnesota Gov. Tim Walz are pictured at a campaign rally, Saturday, Aug. 10, 2024, in Las Vegas. (AP Photo/Julia Nikhinson)

Democratic presidential nominee Vice President Kamala Harris takes a selfie with supporters at a campaign rally, Saturday, Aug. 10, 2024, in Las Vegas. (AP Photo/Julia Nikhinson)

Democratic presidential nominee Vice President Kamala Harris speaks at a campaign rally, Saturday, Aug. 10, 2024, in Las Vegas. (AP Photo/Julia Nikhinson)