Shiite Iran allies Sunni Taliban, Saudi Arabia continues holy war against brethren

Iran Flexes in Afghanistan as U.S. Presence Wanes clarifies how strong the urge to dominate and thereby secure the neighborhood from falling into enemy hands that Shiite Tehran is willing to forget Sunni Taliban murders of Iranians and work with them. Contrast its primordial need for security with Saudi Arabia's emotional holy war against their brethren in Islam.