Fareed Zakaria : ISIS has thrived because of a local Sunni cause in Syria and Iraq . The U.S. is not going to be able to defeat the Islamic State without taking on its core ideology -- which is based on an extreme interpretation of Islam that justifies violence against non-Muslims as part of
Fareed Zakaria : ISIS has thrived because of a local Sunni cause in Syria and Iraq . Leaders of ISIS have recognized they are a messaging machine , he says .