In this video segment, the conclusion of the PBS documentary Looking for Lincoln, historians Henry Louis Gates, Jr. and James Horton examine the transformation of Lincoln's views on slavery and speculate on how different American history might have been had he lived to oversee a more extensive Reconstruction. Tributes to Lincoln's enduring legacy from historians David Blight, Drew Gilpin Faust, Joshua Wolf Shenk, and former President Bill Clinton culminate in Barack Obama's 2008 presidential victory speech.
Learn more about Looking for Lincoln.
© 2015 PBS & WGBH Educational Foundation. All rights reserved.