The Two Faces of Al Qaeda

By RAYMOND IBRAHIM

When the September 11 attacks occurred, I was in Fresno, Calif., researching my M.A. thesis on the Battle of Yarmuk, one of the first yet little-known battles between Christendom and Islam, waged in 636 A.D. That battle, in which the Arab invaders were outmatched and yet still triumphed, would have immense historical repercussions. A mere four...