Sufism In Northem Nigeria: Force For Counter-Radicalization' Strategic Studies Institute, May 2010. 31 Carlo Davis, "Boko Haram: Africa's homegrown Terror Network," World Policy Journal 12 June 2012. 32 Jennifer G. Cooke and Farha Tahir, "Polio Eradication in Nigeria: The Race to Eradication," CSIS Global Heal