Jihadist terrorism enters new stage 15 years after 9/11
Terrorism is first and foremost an idea, which, like a virus, spreads, thrives under certain conditions, and changes form.
A man purported to be the reclusive leader of the militant Islamic State Abu Bakr al Baghdadi made a rare public appearance at a mosque in the center of Mosul, on July 5, 2014.(photo credit: REUTERS)ByYAAKOV LAPPINUpdated: