Washington — Three college presidents testified before a House committee on Tuesday about how they have handled antisemitic incidents on their campuses since the Oct. 7 terrorist attack by Hamas on Israel, with many Republican lawmakers insisting they aren't doing enough to root out and denounce anti-Jewish sentiments. Harvard University's Claudine Gay, the University of Pennsylvania's Liz Magill and the Massachusetts Institute of Technology's Sally Kornbluth appeared before the House Committee on Education and the Workforce to explain and defend their approaches. College campuses continue to be roiled by protests and tensions related to the Israel-Hamas war. Republicans, including House...