TIME: Peter A. Shulman, associate professor of history, talked about the origins of political polling data and how the Progressive Era gave rise to the method of understanding Americans’ views.
![Peter Shulman](https://dailymedia.case.edu/wp-content/uploads/2016/07/18154126/peter-shulman.jpg)
TIME: Peter A. Shulman, associate professor of history, talked about the origins of political polling data and how the Progressive Era gave rise to the method of understanding Americans’ views.