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How does one evaluate or even describe the nature and effects of a tornado when it’s still swirling? This is the conundrum facing anyone writing about the tumultuous changes taking place in the Arab world. These qualities of extreme flux and fluidity—what Frantz Fanon termed an “occult zone of instability”—are what have given rise to the dizzying plethora of terms coined to try to describe the unrest: “Arab Spring,” “Arab uprisings,” “Arab revolution(s),” “Arab awakening,” and Iran’s particularly misguided phrase, “Islamic awakening,” are just a few. Since concerted popular protests began in Tunisia on December 18, 2010, anti-government unrest has spread to many Arab countries. Several...