Seoul, South Korea AP  —  A 33-year-old South Korean man was sentenced to life in prison Monday for running an online blackmail ring that sexually exploited or abused 261 victims, including more than a dozen minors he raped or assaulted, over a four-year period before his arrest in January. The Seoul Central District Court said the severity of Kim Nok-wan’s crimes warrants his “permanent isolation from society.” It sentenced 10 accomplices to prison terms ranging from two to four years in what