Republican vice presidential nominee Sen. JD Vance, R-Ohio, speaks at a campaign event Wednesday, Sept. 4, 2024, in Mesa, Ariz. (AP Photo/Ross D. Franklin)

Republican vice presidential nominee Sen. JD Vance, R-Ohio, pauses to the cheering of supporters at a campaign event Wednesday, Sept. 4, 2024, in Mesa, Ariz. (AP Photo/Ross D. Franklin)

FILE - Jimmy McCain, son of Sen. John McCain, R-Ariz., pauses at his father's casket during ceremonies honoring McCain at the U.S. Capitol Rotunda in Washington, Aug. 31, 2018. Jimmy McCain has registered as a Democrat and will vote for Kamala Harris for President in 2024. (Kevin Lamarque/Pool Photo via AP)

FILE - Cindy McCain, escorted by sons, Jack McCain, right, and Jimmy McCain, follow behind military personal carrying the casket of Sen. John McCain, R-Ariz., into the Capitol rotunda for a memorial service, Aug. 29, 2018, at the Capitol in Phoenix. Jimmy McCain has registered as a Democrat and will vote for Kamala Harris for President in 2024. (AP Photo/Matt York, File)