Three Discreet Easy Pieces Launching Debate, 44th REALIA Conference, Providence, R.I., August 2, 2004.
Where is SOLON (640-560) when we need him?, 42nd REALIA Conference, Bretton Woods, August 12, 2002.
Report on the 20th World Congress of Philosophy, Boston, August 10-15, 1998.
Footprints of Reason: A Post-Post-Modern Essay, 20th World Congress On Philosophy, Boston, 1998.
On the Future of Cities: A Premature Report, AAAS Conference, Boston, 1981.
On the Authority of Conscience, Contemporary Philosophy, Volume XVII, no. 3.
The Future Comes by Itself. Progress Does Not. (Sketch of Georg Lukacs’ intellectual development, written as a late Tribute to the Hungarian Revolution of 1956)