First lady Jill Biden greets supporters after speaking during a campaign stop Monday, Oct. 14, 2024, in Madison, Wis. (AP Photo/Morry Gash)

First Lady Jill Biden speaks at a Harris/Walz event at Montgomery County Community College in Blue Bell, Pa., Tuesday, Oct. 15, 2024. (Tom Gralish/The Philadelphia Inquirer via AP)

First lady Jill Biden speaks during a campaign event, Monday, Oct. 14, 2024, in Clawson, Mich. (AP Photo/Carlos Osorio)

First Lady Jill Biden makes calls to Harris-Walz voters during a visit at a Pennsylvania State Education Association (PSEA) phone bank in West Chester Tuesday. Oct. 15, 2024. (Tom Gralish/The Philadelphia Inquirer via AP)

First lady Jill Biden waits to be introduced during a campaign stop Monday, Oct. 14, 2024, in Madison, Wis. (AP Photo/Morry Gash)