GOP impeachment probe faces doubts as lawmakers grill James Biden CNN 0 132 02.23 04:23 https://www.youtube.com/watch?v=DSeHW4oPruc + 15 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 15 GOP impeachment probe faces doubts as lawmakers grill James Biden