USC cancels pro-Palestinian valedictorian's commencement speech CNN 0 45 04.17 21:30 https://www.youtube.com/watch?v=uA8KqvAJJmo + 6 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 7 USC cancels pro-Palestinian valedictorian's commencement speech