Q&A: The end of the Islamic State group’s “caliphate”
BEIRUT — The announcement of victory over the Islamic State group in Syria marks the end of the extremists’ self-styled caliphate, a proto-state in which they held millions hostage to their dark and brutal vision. But IS, which traces its roots back to the bloody emergence of al-Qaida in Iraq after the 2003 U.S.-led invasion,