Cnn Talk With Max Foster

It's a war of inches at this point. U.S.-backed forces inside Syria are battling to take control of a tiny sliver of land from the brutal militant group ISIS. It's all that remains of the caliphate, which once stretched across large swathes of Iraq and Syria. But is this battle really the end of the story? Already there are warnings that "thousands" of ISIS fighters have dispersed. Could they be ready to regroup? Max Foster tackles the subject with CNN's Senior International Correspondent Nick Paton Walsh, Brian Klaas, Ayesha Hazarika and Liam Halligan. via Knit