This appears to be the confrontation between Nicholas Christakis and students, the "Halloween Controversy" https://en.wikipedia.org/wiki/Nicholas_Christakis#Ya

This appears to be the confrontation between Nicholas Christakis and students, the "Halloween Controversy" https://en.wikipedia.org/wiki/Nicholas_Christakis#Yale_Halloween_controversy https://en.wikipedia.org/wiki/Nicholas_Christakis#Yale_Hallo... Full video here: https://www.youtube.com/watch?v=hiMVx2C5_Wg https://www.youtube.com/watch?v=hiMVx2C5_Wg