‘This is really big’: Retired colonel reacts to Ukraine’s advancement … CNN 0 78 08.14 08:03 https://www.youtube.com/watch?v=W1T_wvVnR_Q + 13 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 13 ‘This is really big’: Retired colonel reacts to Ukraine’s advancement into Russia