A Determined Man: World War I, Hitler, and the Unlikely March to World War II

War on the Rocks. November 11, 2018.

What Happened to the Islamic State Foreign Fighters That Had Returned to Europe?

National Interest (Online). November 5, 2018.

Nuclear Weapons Don’t Matter

Foreign Affairs. October 15, 2018.

The TSA Has a New Program That Could Spy on You. It’s a Massive Waste of Money.

Vox.com. August 6, 2018.

A Vietnam “Solution” to the Afghanistan War?

National Interest (Online). July 2, 2018.

The Price for Peace in Syria Is Cooperation with Assad

National Interest (Online). May 17, 2018.

Why Are Americans Still so Afraid of Islamist Terrorism?

Washington Post. March 23, 2018.

Why We Shouldn’t Exaggerate the Scale of Terrorism

TIME. November 2, 2017.

North Korea: the Case for Doing Nothing

National Interest (Online). October 19, 2017.

Redefining Winning in Afghanistan

National Interest (Online). September 5, 2017.

Trump’s TSA Budget Fails to Cut the Obvious: Air Marshals

Wired (Online). March 20, 2017.

Why It Could Be Good for Trump to Skip Some Intelligence Briefings

CNN.com. December 16, 2016.

Why Obama Won’t Tell the Truth about Terrorism

National Interest (Online). December 12, 2016.

The 9/11 Anniversary: 15 Years of Alarmism—and Counting

National Interest (Online). September 12, 2016.

Getting Real on the Terrorism Threat to the United States

War on the Rocks. August 23, 2016.

How Safe Are We? Asking the Right Questions about Terrorism

Foreign Affairs. August 15, 2016.

Democrats Seriously Underestimate Voter Fear of ISIS

TIME. August 1, 2016.

ISIS Isn’t an Existential Threat to America

Reason. May 27, 2016.

Conflating Terrorism and Insurgency

The Lawfare Institute. February 28, 2016.

Immense Fear over a Limited Threat to Americans

The New York Times (Online). December 15, 2015.

Terrorism in the American Psyche

Foreign Affairs. December 10, 2015.

To Fight ISIS, Leave Assad in Power

Time.com. November 17, 2015.

The Dangers of Alarmism

Prio.org. September 2, 2015.

Why the ISIS Threat Is Totally Overblown

The Week. July 23, 2015.

The Foreign Policy Essay: Can Terrorists be Scared Straight?

The Lawfare Institute. April 9, 2015.