Historians' knowledge of primary sources, contextual nuances and contingent events show that they have much to offer scholars and policymakers working on terrorism.

U.S. government access to at least some private market data—and the limiting of foreign access to this same information—is essential for national security.

Now that Afghanistan is no longer an area of active hostilities, strikes should be subject to the standard of near certainty.

A review of Turki AlFaisal Al Saud, “The Afghanistan File” (Arabian Publishing, 2021).

Can governments purchase user records as an end-run around the warrant requirement imposed by Carpenter v. United States? 

Canada is rethinking its approach to intelligence gathering and analysis and prioritizing its own national interests.

What are the legal and policy questions raised by gig surveillance work?

The United States has a range of options for its new Afghanistan policy.