The recent tragedy in New Zealand renews questions about the sources of (and solutions for) out-group hatred. Sociologists work to understand how and why people draw boundaries between “us” and “them,” and the implications of such boundaries for social interaction.

Thanks to WBIR-Knoxville for inviting me to reflect on myriad aspects of social life that can amplify fear or hatred toward others, with potentially tragic consequences. View this video online.