CNN Student News CNN Student News - December 13, 2013 zetty 2013. 12. 14. 08:38 On Friday, we discuss the impact of winter weather, a possible shift in Ukraine, a debate over in-flight phone use, and a proposed rule change in pro baseball. 오디오로 듣기 동영상으로 보기 스크립트 보기 다운로드 저작자표시 비영리