Biden issues a challenge to Trump as he withdraws from traditional deb… CNN 0 126 05.15 22:08 https://www.youtube.com/watch?v=o6msnQHTXA4 + 17 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 16 Biden issues a challenge to Trump as he withdraws from traditional debate dates