Lincoln's words spark debate, dedication to American freedom

Aired: 11/19/2013 | 0:06:29 | Clip
President Lincoln's Gettysburg Address articulated a powerful message 150 years ago that endures today. How did a speech with so few words come to effect such great meaning in American history? Drew Gilpin Faust of Harvard University and Richard Norton Smith of George Mason University join Jeffrey Brown to offer reflections.