Adnan R. Khan: The nightmare scenario is a reunion with al Qaeda, which would vastly increase the group’s capabilities
Adnan R. Khan: Travelling across northern Syria, the ghosts of the world’s most violent terrorist organization are everywhere. The war is far from over.
If Baghdadi is indeed dead, it will cripple ISIS, but it could also lead to a resurgence of an even more dangerous al Qaeda
Adnan Khan on the rise of Islamic State, and how leader Abu Bakr al-Baghdadi went from virtual unknown to global threat