ABC News's video: Harris and Walz campaign hits Pennsylvania ahead of DNC

Vice President Kamala Harris and her running mate, Gov. Tim Walz, stumped in Pennsylvania ahead of the DNC. ABC News' White House correspondent Mary Alice Parks reports. Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G Watch 24/7 coverage of breaking news and live events on ABC News Live: https://www.youtube.com/watch?v=gN0PZCe-kwQ&ab_channel=ABCNews Watch full episodes of World News Tonight with David Muir here: https://youtube.com/playlist?list=PLQOa26lW-uI8ixlVw1NWu_l4Eh8iZW_qN&feature=shared Read ABC News reports online: http://abcnews.go.com ABC News Digital is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. ABC News is the home to the evening newscast “World News Tonight” with David Muir, “Good Morning America,” “20/20,” “Nightline,” “This Week” with George Stephanopoulos, “ABC News Live Prime” with Linsey Davis, plus the daily news podcast “Start Here.” —–– Connect with ABC News on social media: Facebook: https://www.facebook.com/ABCNews Instagram: https://www.instagram.com/abcnews TikTok: https://www.tiktok.com/@abcnews X: https://twitter.com/ABC Threads: https://www.threads.net/@abcnews LinkedIn: https://www.linkedin.com/company/abcnews