Free speech, once the hallmark of democratic culture, has become a deeply embattled issue, especially in academia. A recently published collection of essays titled "Dilemmas of Free Expression" probes into the nature of the conflict between freedom and safety from harm. Four of the contributors, Emmett Macfarlane, Carissima Mathen, Dax D'Orazio and Cara Zwibel join Steve Paikin for a discussion.
