By John J. Mearsheimer
John's Substack
June 8, 2026
I gave a lecture in Athens on 2 June 2026 that was hosted by two prestigious Greek organizations: the Council for International Relations and the Institute of International Relations. I was asked to speak about why I think Realism explains contemporary geopolitical developments better than any other theory. I was fully aware that I was speaking in the home of Thucydides, the first great realist thinker.
This article was originally published on John's Substack.