Why? This is the key question that has so far gone unanswered in the current struggle, the United States' so-called global war on terrorism. It is the "why" questions that can be notoriously difficult to answer. It used to be the case in American secondary education, when pupils were taught how to write, that they were prompted to consider answering the traditional battery of basic questions: who, what, when, where, how, and why. In a general sense, the "who-what-when-wherehow" questions seem rather straightforward; they involve description, characterization, classification, or basic...