Democratic presidential nominee Vice President Kamala Harris arrives to speak on the final day of the Democratic National Convention, Thursday, Aug. 22, 2024, in Chicago. (AP Photo/Jacquelyn Martin)

A billboard displays an advertisement for Democratic presidential nominee Vice President Kamala Harris on the Las Vegas Strip, Friday, Aug. 23, 2024. (AP Photo/Julia Nikhinson)

Democratic presidential nominee Vice President Kamala Harris, right, waves as she steps from Air Force Two upon the arrival at Joint Base Andrews, Md, Friday, Aug. 23, 2024. (Kevin Lamarque/Pool via AP)