Christian Keller interview-160th anniversary of Gettysburg

<p>This week we are commemorating the 160th anniversary of the Civil War battle of Gettysburg one of the greatest battles in Civil War History. And to help me mark this anniversary is Civil War expert: Dr. Christian Keller. Christian Keller is a professor of history at the U.S. Army War College in Carlisle, PA, a post he has occupied since 2011.</p> <p>He also is the owner of Keller Enterprises where he buys, sells, and trades military toys.</p> <p>He has also published five books since 2004 on the Civil War. </p>