Former President Barack Obama speaks during a campaign rally supporting Democratic presidential nominee Vice President Kamala Harris, Thursday, Oct. 10, 2024, at the University of Pittsburgh's Fitzgerald Field House in Pittsburgh. (AP Photo/Matt Freed)

Former President Barack Obama greets attendees after speaking at a campaign rally supporting Democratic presidential nominee Vice President Kamala Harris, Thursday, Oct. 10, 2024, at the University of Pittsburgh's Fitzgerald Field House in Pittsburgh. (AP Photo/Matt Freed)

Attendees hold signs as former President Barack Obama speaks during a campaign rally supporting Democratic presidential nominee Vice President Kamala Harris, Thursday, Oct. 10, 2024, at the University of Pittsburgh's Fitzgerald Field House in Pittsburgh. (AP Photo/Matt Freed)