Also there is filming on campus for the movie Normal Heads.
The controversy is from the Ben White – Israel: Apartheid Not Democracy event.
This relates to the Boycott, Divestment and Sanctions (BDS) movement. Here are some articles on it.
Brooklyn College to Play Host to another Anti-Israel Event in Algemeiner
Silencing the debate on US campuses by Dr Sarah Marusek of Middle East Monitor
This is the paper speaker Ben White writes for. https://www.middleeastmonitor.com/articles/activism/8299-silencing-the-debate-on-us-campuses