Evolution, global warming, same-sex marriage, civil rights. All of these topics can be tough to teach. In this segment our guest provide some guidelines.

Follow: @danbrownteacher @bodymindchild @bamradionetwork

Diana Hess, Senior Vice-President of the Spencer Foundation and author of Controversy in the Classroom: The Democratic Power of Discussion. Bill Bigelow the co-author of Rethinking Columbus and A People's History for the Classroom. Dan Brown is a teacher and director of the Future Educators Association.