It's one of the most famous presidential speeches in United States history. It's also likely the shortest but its length in no way limits its massive historic significance. President Abraham Lincoln delivered the Gettysburg Address on November 19, 1863. As we celebrate this speech's 162nd anniversary, we are delighted to have Dr. Jon Schaff, Professor of Government/Director of the Center for Public History and Civic Engagement at Northern University. Dr. Schaff will help us understand the historic significance of the Gettysburg Address following what he calls 'the great battle of the western hemisphere," its themes, structure and its immeasurable past, present and future impact.