Former President Obama, an alumnus of Columbia University, is staying silent on the violent antisemitic rhetoric aimed at Jewish students and faculty by campus protestors.

Pro-Palestinian protests at Columbia University have gotten so out of control that administrators announced that all classes will be held virtually.

David Jonah Lederer, a Jewish student at Columbia University, joins CNN's Abby Phillip and describes the high tensions on campus at Columbia University. The situation at Columbia escalated in recent days as pro-Palestinian protests on and near campus surged.