Ashbey Beasley holds up her son Beau, 8, both of Highland Park, Ill., as he makes a heart with his hands, as Democratic presidential nominee Vice President Kamala Harris speaks at the Fiserv Forum during a campaign rally in Milwaukee, Tuesday, Aug. 20, 2024. They were caught in a mass shooting at a parade in Highland Park in 2022 and are now involved in gun violence prevention efforts. (AP Photo/Jacquelyn Martin)