There Must Be Consequences for North Korea’s New Missile Tests

New York Daily News. July 25, 2019.

The Case for Optimism After the Trump-Kim Handshake Summit

National Interest (Online). June 30, 2019.

What Kim Is Thinking: We Can Get Inside the Head of North Korea’s Leader If We Read the Signs

New York Daily News. April 19, 2019.

The Hanoi Summit - What Happens Next in U.S.-North Korea Relations

National Interest (Online). March 12, 2019.

The Second Trump-Kim Summit: The Devil Is in the Details

National Interest (Online). January 23, 2019.

The New Missile-Defense Policy Won’t Maker Us Safer

Defense One. January 18, 2019.

What the US Should Take Away from Kim Jong Un’s New Year Address

The Diplomat. January 4, 2019.

My North Korea Prediction for 2019

National Interest (Online). December 21, 2018.

After the INF: Keeping Arms Control Intact Is Tough, Dangerous Work

Washington Examiner. October 26, 2018.

Space Force: An Unwise Solution to an Overhyped Threat

Orlando Sentinel. August 28, 2018.

Not Quite Back to the Drawing Board with North Korea

The Orange County Register. May 25, 2018.

Stakes Rise for Trump’s Meeting with Kim Jong Un as Korea Moves Toward Peace

Washington Examiner. May 1, 2018.

3 Big Questions for the Two North Korea Summits

National Interest (Online). April 23, 2018.

It’s Time to Talk to North Korea

Orange County Register. March 12, 2018.

Why Putin Is Obsessed with America’s Missile Defense

National Interest (Online). March 3, 2018.

Book Review: Roundtable: The Future of Extended Deterrence

Texas National Security Review. February 28, 2018.

To Stop Looming War with North Korea, Trump Must Let Kim Jong Un Talk to South Korea

Newsweek. January 4, 2018.

North Korea’s Latest ICBM Test Highlights America’s Flawed Strategy

National Interest (Online). November 29, 2017.

Trump Has an Opportunity to Reduce Tension between America and North Korea

National Interest (Online). November 7, 2017.

Why the “Rocket Man” Talk Is Worrisome

Orange County Register. September 29, 2017.

The Longer U.S. Waits to Negotiate with North Korea, the Less Leverage It Has

Philadelphia Inquirer. September 12, 2017.

Kim Jong-Un Leaves an Opening for De-Escalation. Should the United States Take It?

National Interest (Online). August 19, 2017.

Meet the DF-31AG and the DF-26: The Big Ballistic Missiles at China’s Military Anniversary Parade

The Diplomat. August 8, 2017.

Go Back to the Drawing Board: Current North Korea Plan Is Broken

The Hill (Online). June 29, 2017.

Try as It Might, Ballistic Missile Defense Won’t Solve the United States’ North Korea Problem

The Diplomat. June 6, 2017.