Open this photo in gallery: From the left, Claudine Gay, president of Harvard University; Elizabeth Magill, president of the University of Pennsylvania; Pamela Nadell, a professor at American University; and Sally Kornbluth, president of the Massachusetts Institute of Technology, appear at a House Committee on Education and the Workforce hearing on Capitol Hill regarding antisemitism in schools, on Dec. 5.TOM BRENNER/The New York Times News Service What a sorry sight. The crisis in American education was on full display last week as the presidents of three of the gold-standard institutions of higher learning in the country incriminated themselves at a...