The Emotions of Protest

In Donald Trump's America, protesting has roared back into fashion. The Women's March, held the day after Trump's inauguration, may have been the largest in American history, and resonated around the world. Between Trump's tweets and the march's popularity, it is clear that displays of anger dominate American politics once again.

There is an extensive body of research on protest, but the focus has mostly been on the calculating brain—a byproduct of structuralism and cognitive studies—and l...