Columbia University President Minouche Shafik must resign or be fired immediately. She is a stain on our university system, on the city of New York and on the moral and cultural fabric of our society. I am a lifetime New Yorker. I know the city as if it were a small village. I served as a member of the state Legislature. I served as borough president of Manhattan, and I served as City Council president. I have spent the last week walking throughout the area of Columbia University. What I have seen feels like a nightmare of unreality. Only someone...