A protester holds a T-shirt during a demonstration in San Francisco. (Justin Sullivan/Getty Images)

Each week, In Theory takes on a big idea in the news and explores it from a range of perspectives. This week we’re talking about intersectionality. Need a primer? Catch up here.

Brittney Cooper is an assistant professor of women’s and gender studies and Africana studies at Rutgers University and co-founder of Crunk Feminist Collective.