Biden trips over sandbag during Air Force Academy commencement CNN 0 138 2023.06.02 06:49 https://www.youtube.com/watch?v=SGkaft6nS2I + 15 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 15 Biden trips over sandbag during Air Force Academy commencement