In December 2003 I proctored the final exam for my Messiah University history course, HIS 324: Civil War America. Students were asked to process a considerable amount of historical information related to the war, its causes, and its aftermath. I wanted to know, for example, if my students could explain the ways in which the triumphant North proposed to reconstruct the defeated South. Did they understand the significance of the battle of Antietam to the issuing of the Emancipation Proclamation? Why was Andrew Johnson impeached? But perhaps more importantly, could they use the past-in this case the history of the Civil War-to help them better understand the present. As one might expect, we spent considerable time during the semester think...