A young Eritrean from northern Ethiopia, William Ahmed was arrested in 1984 on suspicion of harboring guerrillas from the Eritrean People's Liberation Front and was packed off to a prison in Addis Ababa. Tortured repeatedly over the next four years, Ahmed was finally moved to a hospital. From there, he escaped to Djibouti, where he purchased a Somalian passport and a ticket to Canada.
Last October Ahmed set off for Canada, only to become a refugee in orbit. His journey included catching connecting flights in Cyprus, Cairo and Switzerland. When Ahmed landed in Geneva, immigration authorities found that his passport was...