The motorcade of Democratic presidential nominee Vice President Kamala Harris passes a billboard in support of Republican presidential nominee former President Donald Trump Monday, Sept. 9, 2024, ahead of the presidential debate with Republican presidential nominee former President Donald Trump in Philadelphia. (AP Photo/Jacquelyn Martin)

In this combination photo, Democratic vice presidential candidate Sen. Kamala Harris, D-Calif., speaks during a debate, Oct. 7, 2020, in Salt Lake City, left, and Republican presidential candidate former President Donald Trump speaks during a debate, June 27, 2024, in Atlanta. (AP Photo)

Republican presidential nominee former President Donald Trump speaks during a presidential debate with Democratic presidential nominee Vice President Kamala Harris at the National Constitution Center, Tuesday, Sept.10, 2024, in Philadelphia. (AP Photo/Alex Brandon)

Democratic presidential nominee Vice President Kamala Harris listens during a presidential debate with Republican presidential nominee former President Donald Trump at the National Constitution Center, Tuesday, Sept.10, 2024, in Philadelphia. (AP Photo/Alex Brandon)

Signage at the media filing center ahead of tomorrow's presidential debate between Republican presidential candidate former President Donald Trump and Democratic presidential nominee Vice President Kamala Harris, Monday, Sept. 9, 2024, in Philadelphia. (AP Photo/Pablo Martinez Monsivais)

Democratic presidential nominee Vice President Kamala Harris arrives on Air Force Two at Atlantic Aviation Philadelphia, Monday, Sept. 9, 2024, near Philadelphia International Airport, ahead of the presidential debate with Republican presidential nominee former President Donald Trump. (AP Photo/Jacquelyn Martin)