From ABC News.

President Joe Biden addressed his poor performance in Thursday’s presidential debate, vowing “when you get knocked down, you get back up!”

Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G

ABC News Digital is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage.

Download the ABC News app for the latest headlines and alerts: https://abcnews.go.com/devices

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 is the home to the #1 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