Theorizing Cyber Coercion: The 2014 North Korean Operation against Sony. Journal of Strategic Studies 40:7 (Dec 2017): 898–926.

Process Peace: A New Evaluation Framework for Track II Diplomacy. International Negotiation 22:1 (Apr 2017): 92–122. With Nate Allen.

Over-Promising and Under-Delivering? Ambitions and Risks in US Defence Strategy. International Affairs 88:5 (Sep 2012): 975–991.

U.S. Defense Acquisition Workforce since the Cold War. Defense & Security Analysis 26:1 (Mar 2010): 81–98.


President Trump's 2019 Defense Budget: Where Does It Really Rank, Historically? Modern War Institute at West Point (Apr 2018).

Pivot but Hedge: Pivoting to Asia While Hedging in the Middle East. Orbis 56:2 (Spr 2012): 158–176. With David Barno and Nora Bensahel.

Hard Choices: Responsible Defense in an Age of Austerity. Center for a New American Security (Oct 2011). With David Barno and Nora Bensahel.

America’s Cyber Future: Security and Prosperity in the Information Age. Center for a New American Security (May 2011). With Kristin Lord.

An Indispensable Force: Investing in America’s National Guard and Reserves. Center for a New American Security (Sep 2010). With John Nagl.


The Pragmatist’s Case for Keeping China in RIMPAC. War on the Rocks (Jun 2018).

On Cyber Coercion: Lessons from the Sony Hack That We Should Have Learned, but Didn’t. War on the Rocks (Jun 2017).

Romney’s Proposed $2 Trillion Defense Increase. (Oct 2012).