The provisional Irish Republican Army, or IRA, is an outgrowth of an older group known as the Irish Republican Army, which fought an insurgency that successfully challenged British rule in the whole …

Global support for the "responsibility to protect" doctrine weakened after the UN-endorsed no-fly zone that helped topple Libya’s regime, and debate continues over the threshold for mounting armed hu…

Backgrounder: State and local governments are ramping up their own intelligence efforts, using fusion centers to funnel information.

Sub-Saharan Africa is experiencing the largest urban growth in the world, but most development efforts continue to target rural communities.