Best-selling author Hal Lindsey explains how, on September 11, an ancient fight-to-the-death conflict exploded on the shores of the U.S. Though most Americans didn't realize it, we were already involved in this struggle. A struggle driven by a hatred that goes back over 4000 years. Islamic fundamentalism's purpose is to replace the Judeo-Christian world order with an Islamic world order. Every American needs to understand the enormity of the threat we face — and why.In the aftermath of 9/11 most Americans are asking: