Honor guards stand at the Pentagon Memorial on the 10th anniversary of the September 11 attacks at the Pentagon, Arlington, VA, Sept. 11, 2011 (AP photo by Charles Dharapak).

For almost a decade now, since the publication of Nassim Nicholas Taleb’s brilliant, discursive rumination “The Black Swan,” conventional wisdom has held that the biggest threats to strategy—in national security as well as areas like finance—come from sudden and unexpected events. A black swan, as Taleb named such an event, is at its core both a shock and a surprise. It is an “outlier,” Taleb writes, “as it lies outside the realm of regular expectations, because nothing in the past can convincingly point to its possibility.” He goes on to claim that such events are the engines of history. “A […]

Villagers sitting on the back of a small truck as they, and others, flee the recent violence near the city of Maiduguri, Nigeria, Jan. 27, 2015 (AP photo by Jossy Ola).

Last weekend, Nigeria’s electoral commission announced that, contrary to statements made just days prior by the chief of defense staff and the chief of army staff, the country’s security forces could not guarantee the safe conduct of presidential and parliamentary elections originally scheduled for Feb. 14 and 28. The commission postponed the poll for six weeks, the minimum time the security forces say they need to conclude a major military operation against militants from Boko Haram in northeastern Nigeria and before which they would be unavailable to provide security for the elections. The presidential and parliamentary elections are now set […]