Why Ex-Obama adviser calls Biden's forcefully worded letter 'dismissiv… CNN 0 155 07.09 10:20 https://www.youtube.com/watch?v=4CdDPzaOfA0 + 24 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 22 Why Ex-Obama adviser calls Biden's forcefully worded letter 'dismissive'