Biden trips and falls at Air Force Academy commencement CNN 0 148 2023.06.02 09:34 https://www.youtube.com/watch?v=UpEC2O5px3M + 14 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 12 Biden trips and falls at Air Force Academy commencement