Defecting foreign ministers may have been involved in Semtex deal
                                
                                
                                    (Newser) -
                                    An IRA bomb that killed a young police officer in Northern Ireland may be linked to plastic explosives obtained from Moammar Gadhafi's regime, according to investigators. The IRA purchased a large quantity of the explosive, Semtex, from Libya in the 1980s, reports the  Telegraph . Former Libyan foreign minister  Moussa Koussa...