Editor’s Note: Drone strikes are among the most important, and among the most contentious, U.S. counterterrorism instruments. Data limits and the complexity of both cause and effect when it comes to terr...

Editor’s Note: The Obama administration's nuclear deal with Iran remains one of its most important, and most contentious, foreign-policy legacies. Much of the controversy in the United States stems from ...

Editor’s Note: Since 9/11, the United States has pushed all its allies to crack down on terrorism to prevent them from launching attacks or aiding others who might do so. President Trump has doubled down...

Editor’s Note: The Islamic State and al-Qaeda are often, correctly, portrayed as bitter rivals: They compete for recruits and money, and in Syria their forces have repeatedly turned their guns on each ot...

Editor’s Note: American leaders have long recognized that police and other law-enforcement officials are on counterterrorism's front lines and that foreign governments play a vital role in disrupting ter...

Editor’s Note: Community and civil-society programs to counter violent extremism (commonly referred to as "CVE") seem to have fallen out of favor under a Trump administration that wants to look tough on ...

Editor’s Note: When the United States invaded and occupied Iraq in 2003, it found itself woefully unprepared for the insurgency that followed. It took years—and many lives lost—for the U.S. military to r...

Editor’s Note: The Iran-Saudi rivalry has fostered instability throughout the Middle East, with neither side likely to emerge triumphant. This rivalry increases bloodshed in the region and hinders U.S. a...

Editor’s Note: Perhaps no country is closer to the United States—geographically and culturally—than Canada. Aside from a few unpleasant moments at the birth of the American republic, relations have been ...

Editor’s Note: The Islamic State's control of territory and zealous fighters vaulted it to the top ranks of the world's most formidable terrorist groups. Less noticed, but tremendously important to the ...

Editor’s Note: Ties to a terrorist group are rightly a stigma. However, given the nebulous nature of many groups, such connections are often easy to overstate. Alex Thurston, my colleague at Georgetown, ...