In a variety of arenas, Americans are debating the boundaries of free expression. Dean John Ellison’s recent welcome letter to incoming University of Chicago freshmen proclaimed that the school would not support “safe spaces” or “trigger warnings,” pouring more fuel on heated debates about campus free speech. San Francisco 49ers quarterback Colin Kaepernick generated controversy by kneeling during the national anthem as a protest against racial injustice in the United States. And social media sites like Twitter and Facebook are struggling with how to handle online hate speech.
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