USC cancels pro-Palestinian valedictorian's commencement speech CNN 0 169 04.17 21:30 https://www.youtube.com/watch?v=uA8KqvAJJmo + 22 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 16 USC cancels pro-Palestinian valedictorian's commencement speech