It is very difficult to replace innovative operatives such as the one who was reportedly killed.
Apr 22, 2014 | 13:29 GMT
The country will continue to be unstable until another capable leader is able to consolidate power and fully assert his control.
Feb 5, 2014 | 10:47 GMT
The group has declared war on a country that is vital to the region and the world.
Jan 30, 2014 | 04:01 GMT