"Words and Rules", at Princeton University, Princeton, NJ, Monday, February 11, 2002

Pinker's Farewell, at MIT Communications Forum, Cambridge, MA, Thursday, September 25, 2003

"The Blank Slate", at MIT, Cambridge, MA, Thursday, October 31, 2002

The Cognitive Revolution at Fifty Plus or Minus One, at Harvard University, Science Center, Cambridge, MA, Monday, April 30, 2007