The third and last U.S. presidential debate takes place Wednesday.
The earlier debates were marked by political nastiness that many historians say is at its worst level in years. Some teachers, however, are working to make debates less angry. They are teaching their students about civil discourse.
Paula McAvoy is the program director of the Center for Ethics and Education at the University of Wisconsin–Madison. In 2015, she and Diana Hess published a book called “The Political Classroom.”