Before a border wall became a budget bargaining chip, before the presidential pardon of a controversial sheriff and before federal policies were announced on social media, there was Arizona Senate Bill 1070, the “show me your papers” law. And of course, there was Twitter. To René D. Flores, an assistant professor of sociology at the University of Washington, Twitter is a trove of insight into people’s beliefs and their willingness to express them. By analyzing tweets in the months…
