You Can't Understand ISIS If You Don't Know the History of Wahhabism in Saudi ArabiaYou Can't Understand ISIS If You Don't Know the History of Wahhabism in Saudi Arabia Abd al-Wahhab argued that all Muslims must individually pledge their allegiance to a single Muslim leader (a Caliph, if there were one). Those who would not conform to this view should be killed, their wives and daughters violated, and their possessions confiscated, he wrote. The list of apostates meriting death i
