declaring the caliphate. with baghdadi at its helm, claiming lineage from mohammed. this was baghdadi's moment, and isis rose fast. and then, can the attack and occupation of mosul. the deheadings of western hostages. the besieging of kabani. horrors, marked by an obscene worship of violence. all this is visible and doubtless, the key decisionmaker. one of more terrifying things about isis he created, is his obsession of acts of murder, but its harnessing of social media, to create a global franchise amongst people, that it often never met. in libya, afghanistan, paris,