President Biden fell down after handing out diplomas at the U.S. Air Force Academy graduation in Colorado Springs on June 1. He quickly stood back up. Read more: https://wapo.st/43qKJNq. Subscribe to The Washington Post on YouTube: https://wapo.st/2QOdcqK Follow us: Twitter: https://twitter.com/washingtonpost Instagram: https://www.instagram.com/washingtonpost/ Facebook: https://www.facebook.com/washingtonpost/