Nigeria has brought in hundreds of mercenaries from South Africa and the former Soviet Union to give its offensive against Boko Haram a shot in the arm before a March 28 election, according to regional security, defence and diplomatic sources. JOHANNESBURG/DAKAR: Nigeria has brought in hundreds of mercenaries from South Africa and the former Soviet Union to give its offensive … [Read more...] about Nigeria drafts in foreign mercenaries to take on Boko Haram