Protesters breach and barricade inside main Columbia University buildi… CNN 0 153 04.30 22:25 https://www.youtube.com/watch?v=CnAGElgjk9c + 114 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 18 Protesters breach and barricade inside main Columbia University building