[JURIST] Media magnate Conrad Black [CBC profile; JURIST news archive] was ordered to return to prison by the US District Court for the Northern District of Illinois [official website] on Friday, to serve 13 more months of his 42 month sentence. Judge Amy St. Eve [official profile], his original sentencing judge, said that although she was impressed by Black’s rehabilitative efforts in prison, the sentencing guidelines mandated he serve his full sentence. Black was released on bond [JURIST report] last…