...in the assassination of three of its first four caliphs, the “successors” to Mohammed and rulers of the faithful. Those early assassinations led to the split between Sunnis and Shiites, battle lines drawn fourteen centuries ago that US troops would encounter, and help reignite, in Iraq. There is no distinction between modern and ancient history in the Middle East. No region is more obsessed with its own past. Islam began as a force to be reckoned with, and Muslims have longed to return to their former glory.

Richard Engel