Putin has been silent about the concert hall attack. Retired general h… CNN 0 97 03.23 11:17 https://www.youtube.com/watch?v=GGUT9jUX6Lg + 10 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 9 Putin has been silent about the concert hall attack. Retired general has theory why