In 2010, nearly 30 percent of South Koreansa country with a Confucian tradition over one thousand years oldidentify as Christian, the second largest percentage of Christians in an Asian nation. Korea boasts of having the largest church in the world; it also has the largest Presbyterian, Methodist, and Pentecostal churches in the world. Its vibrant spirituality, devout church life, and missionary zeal are well-known around the world; its number...