February 29, 2012 Updated January 08, 2016 20120226_wesun_05.mp3?orgId=1&topicId=1070&d=387&story=147442471&ft=nprml&f=147442471 Listen • 6:28 20120226_wesun_05.mp3?orgId=1&topicId=1070&d=387&story=147442471&ft=nprml&f=147442471 Copyright 2016 NPR. To see more, visit http://www.npr.org/.