More than a year after President Goodluck Jonathan vowed to eradicate the radical Islamists, the group is taking towns in the northeast. Can it create an Islamic caliphate?
ByHeather Murdock, Correspondent
Early this month a purported Boko Haram spokesman phoned reporters and spoke in gloating tones. Abu Zinnira, as he called himself, said his extremist group now controlled towns and villages in northern Nigeria.