This episode of "Poison Ivy" focuses on recent anti-Israel protests at Columbia University, where protesters have occupied an administrative building.

Pro-Palestinian protests at Columbia University saw Israeli professor Shai Davidai barred from campus, as Jewish members of Congress demanded action to protect Jewish students.

Shai Davidai, an Israeli assistant professor at Columbia University, who has been critical of the university's response to campus antisemitism, has revealed that he is now under investigation by the university's Office of Equal Opportunity and Affirmative Action.