Protests by students supportive of Israeli and Jewish communities, and protests by students supportive of Palestinian communities, have reignited the debate over free speech on college campuses. That debate only intensified when the Presidents of Harvard, the University of Pennsylvania and MIT testified before a Congressional committee last week about antisemitism.NPR's Scott Detrow talks with NPR education correspondent Elissa Nadworny and first amendment lawyer Greg Lukianoff about the climate on college campuses and the tension between protecting students and supporting free speech. Email us at considerthis@npr.org