Republican vice presidential candidate Sen. JD Vance, R-Ohio, concludes his remarks before taking questions with reporters at a news conference, Tuesday, Aug. 6, 2024, in Philadelphia. (AP Photo/Alex Brandon)
FILE - Minnesota Gov. Tim Walz speaks before President Joe Biden at Dutch Creek Farms, Nov. 1, 2023, in Northfield, Minn. (AP Photo/Abbie Parr, File)
Democratic presidential nominee Vice President Kamala Harris and her running mate Minnesota Gov. Tim Walz speak at a campaign rally in Philadelphia, Tuesday, Aug. 6, 2024. (AP Photo/Matt Rourke)