摘要:Over the course of the past six decades, the reason for the existential threat to Israel has remained unchanged: The refusal of many, if not most, governments and peoples in the Middle East to accept the existence of the Jewish state. The nature of that threat, however, has undergone a dramatic evolution. In recent years, we have witnessed a shift from conventional warfare--that is, wars between armies and states--to “subconventional” warfare (such as terrorism and crude rockets) and superconventional warfare (such as missiles and weapons of mass destruction). Accompanying this change has been a profound political-ideological shift, from the prominence of nationalist-secular movements to that of religious-jihadist ideologies.