haunting memoir of teaching English to the sons of North Korea's ruling class during the last six months of Kim Jong-il's reign Every day, three times a day, the students march in two straight lines, singing praises to Kim Jong-il and North Korea: Without you, there is no motherland. Without you, there is no us. It is a chilling scene, but gradually Suki Kim, too, learns the tune and, without noticing, begins to hum it. It is 2011, and all universities...