Retired colonel says this is one of the 'big problems' amid Russia's r… CNN 0 84 04.01 20:48 https://www.youtube.com/watch?v=DGrq0kbP4fc + 10 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 10 Retired colonel says this is one of the 'big problems' amid Russia's recent gains