At Mizzou, Yale and beyond, campus protests stir fresh questions about free speech

At the University of Missouri, protests and a president's resignation have put a spotlight on heated debate taking place on campuses across the country over hateful speech and racial insensitivities. Greg Lukianoff of the Foundation for Individual Rights in Education and Jelani Cobb of The New Yorker join Gwen Ifill to discuss questions of free speech and its limitations.
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