How much do you know about North Korea? Depending on whom you ask, the Democratic People's Republic of Korea (DPRK) is an international laughing-stock, a terrifying nuclear-powered war machine, or a humanitarian crisis of nightmarish proportion. For David Alton, the DPRK is Asia's tragic and prodigal son, long overdue 'coming in from the cold' and returning to the embrace of the international community. The obstacles are gigantic and the record of human suffering is almost beyond descripti...