Columbia University administrators made significant revelations during a Wednesday congressional hearing about their response to incidents that have rocked the campus since October 7. The school suspended two students who allegedly sprayed a chemical on their peers at a rally for Gaza in January, is investigating a professor for harassing students online over their pro-Palestine activism, and has moved to punish two professors for making comments that have been condemned as antisemitic. The Columbia leaders also took great pains to assure the House Committee on Education and Workforce that they have not done enough to tackle campus antisemitism, the subject...