MARY LOUISE KELLY, HOST:China has long vowed to take control of Taiwan. EMILY FENG, BYLINE: To this day, you can hear the soft, crooning ballads of Taiwanese pop star Deng Lijun or Teresa Teng everywhere in both China and Taiwan, including here from a set of massive outdoor speakers on the remote Taiwanese island of Kinmen, just a few miles from China's coast. Visit our website terms of use and permissions pages at www