Boko Haram, the jihadi insurrection associated with some 350,000 deaths since 2009 in northeast Nigeria, was characterized by factions—conflict among which was bloody—though at times they appear to have cooperated tactically. Now, the faction associated with the self-proclaimed Islamic State, the Islamic State in West Africa (ISWA), is claiming to have incorporated the followers of the rival faction led by Abubakar Shekau. (Weeks ago, Shekau died, apparently after committing suicide in a standoff with ISWA.)

Policy makers, diplomats, and commentators in the secular West often fail to take into account the profound influence of religious leaders in sub-Saharan Africa, whether among Christians, Muslims, or adherents of traditional religions. Heaven, hell, and what secularists regard as magic are literal realities, more immediate than government policy or the pronouncements of political leaders. What the preacher says is more credible than the utterances of politicians.

A recent Voice of America report describes the gradual resumption of cross-border economic activity with Cameroon in the far northeastern sliver of Nigeria that borders on Cameroon and Chad.