There, Julani founded a fighting group called Al-Nusra, and, in 2013, the U.S. designated him a terrorist. The brutal Syrian conflict repeatedly fragmented the various rebel groups, ...

The man they'd come to hear speak, Abu Mohammad al-Julani, and the group he leads, Hay'at Tahrir al-Sham, or HTS, had just transformed Syria's future. (SOUNDBITE OF ARCHIVED RECORDING) ABU ...