at lycos on facebook at c-span history. >> next on american history tv, historians and authors discussy of reconstruction. they speculate on abraham lincoln's lands for the post-civil war period had he not been assassinated and discuss the effectiveness of programs put forward by his successors, president's johnson and grant. they also discussed the u.s. supreme court during reconstruction and draw parallels between the time and the civil rights movement today. the new york historical society hosted this 90 minute event. [applause] >> well, good morning, everyone. welcome. thank you for coming out on a rare, warm winter morning in new york. i am delighted to be with my friends and colleagues. there are no three people in the united states who are, who know more about this subject, have been more insightful about it, have produced more about it and articulate its lingering issues and controversies for the benefit of all of us, indeed,