- Terrorism: Commentary on Security Documents Volume 133: The Drone Wars of the 21st Century: Costs and Benefits
- Terrorism: Commentary on Security Documents Volume 132: The 2012 Shift in U.S. National Security Strategy: The Analysis
- Assessing President Obama's National Security Strategy
- Terrorism: Commentary on Security Documents Volume 126: The Intersection of Law and War
- Terrorism: Commentary on Security Documents Volume 124: U.S. Approaches to Global Security Challenges