http://www.voanews.com/mediaassets/specialenglish/2009_11/Audio/Mp3/se-nation-109-abraham-lincoln-part-15-05-nov-09_0.Mp3 American History Series: South Sees Protests in North as an Opening http://www.manythings.org/voa/history/108b.html 2009-11-04 http://www.voanews.com/voanews_shared/images/widgetBarIcon.png