Karine Jean-Pierre fields tough questions on Biden's health CNN 0 121 07.04 05:52 https://www.youtube.com/watch?v=U2TUHJao4-Y + 21 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 22 Karine Jean-Pierre fields tough questions on Biden's health