The disparities in naming are partly because of translation difficulties, and partly a sign of a propaganda war. The group calls itself the Islamic State; the Obama administration goes with ISIL.
On a weekend that saw extremist group the Islamic State release a video showing the murder of a Western hostage, support for a coalition to fight the group is building.
This weekend, David Haines' family publicly asked his captors to contact them. Instead, the group released its third video showing a Western hostage being killed.
The Islamic State militant group released a video showing the execution of British aid worker David Haines. NPR's Lynn Neary talks with the BBC's Gordon Corera about the reaction in the U.K.
The Islamic State militant group released a video showing the execution of British aid worker David Haines. NPR's Lynn Neary talks with NY Times reporter Steven Erlanger about the U.K. reaction.
Last week, President Obama laid out a plan to fight the Islamic State. NPR's Lynn Neary talks to David Rothkopf, CEO and editor of Foreign Policy magazine, about Obama's foreign policy strategy.
President Obama wants Sunnis to join the battle against the Islamic State. But those who helped fight al-Qaida several years ago feel abused by the Iraqi military, and now are not so eager to sign up.