My author's page at the Carnegie Council for Ethics in International Affairs

My author's page at The National Interest

"The Real Ukrainian Solution is Federalism," The Nation, June 30, 2017.

"Ukraine's Government Is Failing to Unite Ukrainians," (with Josh Cohen) The National Interest, May 30, 2017.
         
(trong tiếng Việt) (на български) (po Polsku)

"We Can't Afford to Lose U.S.-Russian Nuclear Cooperation," (with Josh Cohen) The National Interest, March 27, 2017.

"The Bizarre Reason Ukraine Could Be Facing a Legitimacy Crisis," (with Josh Cohen) The National Interest, March 15, 2017.
          (日本語で)

"Blaming Russia Will Only Hold America Back," The National Interest, January 9, 2017.