They’re Nigeria’s unlikely saviors – most being white, in their 50s and 60s and combat veterans of the former South African apartheid regime. But, tainted resumes notwithstanding, they’ve been getting the job done in northern Nigeria, hitting the Islamist terror group Boko Haram hard enough to send the jihadists into retreat, liberating dozens of villages and freeing hundreds of women and girls held as slaves and “bush wives” during a six-year-long reign of terror, reported London Telegraph. Boko Haram recently pledged allegiance to the Islamic State of Iraq and Syria, or ISIS. In recent years, Boko Haram has slaughtered entire...