There's a gaping security hole in eight popular models.
The Islamic State's latest suicide attack in Baghdad, which killed nearly 330 people, foreshadows a long and bloody insurgency, according to American diplomats and commanders
On July 1, militants attacked a restaurant in one of the Bangladeshi capital's affluent neighborhoods, taking dozens hostage.
When 19-year-old Akhror Saidakhmetov started hanging out with two older men and talking about waging jihad in Syria, his mother took away his passport.
The idea of soldiers as an exploited group is hardly anything new.
CFR surveyed global think tank leaders about international cooperation in 2015. Here are the results.