‘Not a one-off’: Bernstein’s sources say concerns about Biden have bee… CNN 0 191 07.02 11:00 https://www.youtube.com/watch?v=yhFmaAMC1_Q + 26 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 24 ‘Not a one-off’: Bernstein’s sources say concerns about Biden have been growing for a year