The future of affirmative action With the election of Barack Obama as president, there is a renewed discussion about the role of affirmative action, and whether it is still necessary. While some advocate for an end to affirmative action, others say the focus needs to be changed from race to class.9:06 a.m.
Mary Frances Berry: Professor of history at the University of Pennsylvania and former chairperson of the Commission on Civil Rights.
John McWhorter: Senior fellow at the Manhattan Institute. He is the author of "Losing the Race: Self-Sabotage in Black America."
An early branch of the human family revealed At the age of 31, paleontologist Donald Johanson discovered the fossil that would later become known as "Lucy," a previously unknown species of hominid. The discovery changed how we view human evolution. After 30 years of study, Johanson knows much more about how early humans lived.10:06 a.m.
Donald Johanson: Renowned paleontologist and director of the Institute of Human Origins at Arizona State University. His most recent book is "Lucy's Legacy."