How Much Really Changed About Terrorism on 9/11?
Three founders of modern terrorism studies reflect on what the world has learned about political violence—and what remains unknown.
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Brian McDermid / Reuters Is There a Sunni Solution to ISIS?
David Ignatius calls for reconciliation among Iraqi Sunnis, Shiites, and Kurds. But this oversimplifies the bargain that needs to be struck.
Reuters There Is No Global Jihadist ‘Movement’
The world of Islamist fighters is deeply fragmented and constantly shifting.
