For nearly three decades, Nigeria has tolerated a nearly constant buzz of violence as one religious or tribal group after another has sought to use bloodshed and terror to make the government listen to its demands. At times, as many as five low-level insurgencies have been going on simultaneously. From the start of his presidency two years ago, Mr. Yar'Adua has sought to construct a government of national unity. Having failed at that, he may finally have decided enough is a enough.

Interesting ...