AP Photo

In a park hidden from the road and strewn with trash, two young Salafist men dressed in the traditional garb of gray tunics and sandals laid out their plan for revenge against the anti-Islam YouTube video out of California, as well as cartoons of the Prophet Muhammad in a French satirical magazine this week. In the meeting place they had picked for an interview with TIME on Thursday, the men said they were prepared to wait—years, if necessary—for the right moment to avenge the insults from both the U.S. and France. “We never know when the reaction will be, but sooner or later this revenge is going to be seen by the West, just as we saw with the Danish cartoons,” said Mahmoud, 25, a slender man with black hair, referring to drawings of the Muslim prophet which appeared in a...