joel rosen berg has written several books on the issue. i think it is interesting to look at this from that historic perspective. what you have here is a clash of civilizations in a larger sense and of christianity and of radical islam and a desire on the part of islamists on that part of the world. take us through. >> well, it is fascinating. we don't know that the current events are going to play out to be the fulfillment of bible prophecy. isaiah 17 both describe the destruction of damascus at some point in the future.