January 17, 2014 - 10:00am
When peace talks open in Switzerland, one common concern between the West and Syria is expected to be the threat of Islamist extremists and the rise of al-Qaida-linked militias. Thousands of Sunni militants from around the world have joined the rebel groups in Syria, but there are other groups of militant foreign fighters who support the Syrian regime. Iraqi Shiites are being recruited in the thousands to bolster Syria's armed forces. Recruiting billboards and social media help portray the fight as an existential battle between Sunnis and Muslims.