September 10, 2015
14 years ago, Americans learned they can't ignore the terror of extremists.
Its influence lives on, however, through offshoot extremist groups that have eclipsed al-Qaeda — none more so than the Islamic State, the lightning spread of which through Syria and Iraq has been marked by medieval barbarity, adapted to the Internet age.
The group, also known as ISIL or ISIS, announced itself with carefully publicized video beheadings of captive Westerners and the burning alive of a Jordanian pilot inside a cage. Less visible in the West, but easy to find online, are gruesome videos of the slaughter of the group’s enemies.
