“AUKUS Submarine Revelations Compel a Rethink,” Australian Outlook, Australian Institute of International Affairs, November 16, 2023.

“U.S. Plan to Put Weapons-Grade Uranium in a Civilian Reactor Is Dangerous and Unnecessary,” Scientific American, October 20, 2023.

“Biden’s horse-trading on nuclear technology and fuels is an unprecedented proliferation risk,” Bulletin of the Atomic Scientists, September 6, 2023.

“Fixing a fatal, nuclear flaw in AUKUS,” Breaking Defense, March 7, 2023.

“France can help Albanese fix AUKUS,” The Interpreter (Australia), July 14, 2022.

“How Australia’s new leader can fix the submarine deal,” Bulletin of the Atomic Scientists, May 22, 2022

“American Military Diffidence Handed Iran the Bomb,” Wall Street Journal, February 24, 2022.

“Bomb-grade uranium for Australian submarines?” Kyodo News, November 11, 2021.

“Fixing the Submarine Fiasco,” Boston Globe, September 23, 2021.

“The US Navy’s Nuclear Proliferation Problem,” Breaking Defense, September 15, 2021.

“America Shouldn’t Restart Production of Weapons-Grade Uranium,” War on the Rocks, June 15, 2020.

“Luria erred on nuclear fuel decision,” The Virginian-Pilot, op-ed, June 27, 2019.

“A nuclear weapon that could change everything: Don’t allow low-yield atomic warheads to be deployed,” New York Daily News, op-ed, March 8, 2019.

“How not to reduce Japan’s plutonium stockpile,” Kyodo News, op-ed, July 13, 2018.

Why is NASA testing bomb-grade materials for its Mars mission?” Baltimore Sun, op-ed, August 21, 2017.

Japan’s Intentional Plutonium Surplus,” Kyodo News, op-ed, August 17, 2017.

Obama’s Bomb-Grade Mistake,” New York Times, op-ed, March 26, 2016.

“Nuclear Nonproliferation via Coercion and Consensus: The Success and Limits of the RERTR Program (1978–2004),” in International Cooperation on WMD Nonproliferation, ed. Jeffrey W. Knopf (Athens, GA: University of Georgia Press, 2016), pp. 46-71.

“Appeasing Iran?” The Hill, op-ed, August 25, 2015.

“The Iran Deal is Built on a Lie,” New York Daily News, op-ed, July 19, 2015.

“Misleading Spin on Centrifuges,” Iran Matters, Harvard University’s Belfer Center, July 6, 2015.

“The Iran Deal’s Fatal Flaw,” New York Times, op-ed, June 23, 2015.

“Is pending Iran nuclear deal a ‘fool’s bargain’?” Jerusalem Post, op-ed, March 3, 2015.

“Iran Nuclear Deal Unlikely to Halt Regional Proliferation,” in Iran-The Day After Simulation: Geo Political Implications, eds. Shaul Shay and Alex Mintz (Herzliya, Israel: Institute for Policy and Strategy, 2014), p. 1-4.

“Can the IAEA Safeguard Fuel-Cycle Facilities? The Historical Record,” in Nuclear Weapons Materials Gone Missing: What Does History Teach? ed. Henry Sokolski (Arlington, VA: Nonproliferation Policy Education Center, 2014), pp. 89-123, co-authored with David Sokolow and Edwin S. Lyman.

Highly Enriched Danger,” New York Times, op-ed, March 22, 2014.

“How U.S. nuclear reactors are vulnerable to terrorists,” CNN, August 26, 2013.

“There’s Only One Way to Stop Iran,” New York Times, op-ed, December 24, 2009, p. A23.

“Government inflated fear of medical isotope shortage,” Toronto Star, op-ed, March 1, 2008, p. A6.

“Bomb-Grade Bazaar,” Bulletin of the Atomic Scientists, Vol. 62, No. 2 (March/April 2006), cover story, pp. 44-50.

“The Energy Bill’s Gift to Terrorists,” New York Times, op-ed, August 11, 2005.

“Civilian Highly Enriched Uranium and the Fissile Material Convention,” in Nuclear Power & the Spread of Nuclear Weapons, Paul L. Leventhal, ed., (Dulles, VA: Brassey’s Inc., 2002), pp. 249-260.