REMINDERS OF THE dreadful ambitions of Islamic extremists are not hard to come by. Earlier this month we learned that authorities thwarted a “massive” terrorist attack against American targets in Germany, planned by at least two German citizens who had converted to Islam. Two weeks ago, Osama bin Laden released another video prophecy pledging victory in his jihad against America and the West. “Our holding firm to this magnificent Book is the secret of our strength and winning of the war against you.” And, of course, we’ve just marked the sixth anniversary of the attacks of 9-11.