US Vice President Kamala Harris, left, and Tim Walz, governor of Minnesota and Democratic vice-presidential nominee, arrive for a campaign event in Philadelphia, Pennsylvania, US, on Tuesday, Aug. 6, 2024. Harris tapped Walz as her running mate, enlisting him to build an electoral coalition of coastal progressives and Midwest moderates to block Donald Trump from the White House. Photographer: Hannah Beier/Bloomberg via Getty Images
