After IS collapse in Raqqa, US faces other extremism threats

In this picture taken on Monday Oct. 16, 2017 and provided by The Syrian Democratic Forces (SDF), a U.S.-backed Syrian Kurdish forces outlet that is consistent with independent AP reporting, shows Syrian Democratic Forces (SDF) fighters, sit on their pickup as they prepare for the last battle against the Islamic State militants, in Raqqa, Syria. The U.S-backed Syrian forces battling the Islamic State group in Syria say Raqqa’s national hospital, one of the militants’ last holdouts in city has been captured. (Syrian Democratic Forces via AP)