This page offers a collection of videos containing information instrumental to understanding the political divide.
The Moral Roots of Liberals and Conservatives, by Jonathan Haidt, TED, 2008
When Compassion Leads to Sacrilege, by Jonathan Haidt, Stanford University School of Medice Center for Compassion and Altruism Research, April 28, 2011
The Colbert Report, guest Jonathan Haidt, May 2, 2012
Moyers and Company, guest Jonathan Haidt, Feb 3, 2012
The Forum: The Moral Psychology of Political Polarization: Many Causes and a Few Possible Responses, by Jonathan Haidt, NYU School of Law, published November 21, 2014