What experts get wrong about the Islamic State's West African affiliate.
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The Islamic State's online network is adapting to the organization's losses in Iraq and Syria.
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The children indoctrinated by ISIS are returning home. How should governments respond?
If the ICC opens an investigation into CIA "black sites," the United States could rally other non-member states to its side.
The Islamic State's foreign fighters are leaving Iraq and Syria, but they're not always going home. Some states are deporting them, and then they disappear.
When it comes to diplomacy in Afghanistan, President Trump should take his own advice.
Drone pilots see war from a different vantage, and this takes a different toll.
The campaign against autonomous weapons has learned a lot from the effort to ban landmines in the 1990s.