The Islamic State's transcendent cause has a strong appeal, but only to a limited audience.
Mar 26, 2015 | 08:02 GMT
Unmanned aerial vehicles can perform important tasks while limiting political consequences and avoiding risks for pilots.
Mar 18, 2015 | 21:51 GMT
Boko Haram's pledge of loyalty to the Islamic State won't help make either group more capable.
Mar 12, 2015 | 09:07 GMT