Iran is overwhelmingly Shia, Iraq is majority Shia, Syria's so called ruling class are Shia. The rest of the Arab world__Muslim world actually is overwhelmingly Sunni factions.<quoted text> Obama is leaving behind behind a well-trained and heavily armed Afghanistan defense force whereas Bush43 just tore out of Iraq after blowing it to smithereens and removing the one major obstacle (Hussein)to the take over of the Iraqi government by Sunnis ---Iran is also a powerful Sunnis neighbor right next door.
Someone described Islam as a delicate Mosaic__in reality it's a fractured f'd up mess and confusing to follow along with. Bashar al-Assad of Syria is a Shiite of the Alawite variety which consumes alcohol. Who knew eh?