The University of Pennsylvania found Amy Wax had a long history of unprofessional conduct; she says it’s protected speech.

A pro-Israel professor has been banned from an Ivy League campus on Wednesday. Shai Davidai, who is an assistant professor at Columbia University in New York City, has been temporarily banned from the campus.

An assistant professor at Columbia University was barred from campus starting Tuesday night, with the school accusing him of harassment and intimidation directed at other employees. Shai Davidai, who teaches at the Columbia Business School,