IN the complex and not entirely complete process of reconciliation after the Civil War, honoring the dead with markers, tributes and ceremonies has played a crucial role. Some of these gestures, like Memorial Day, have been very successful. The practice of decorating the graves arose in many towns, north and south, some even before the war had ended. This humble idea quickly spread throughout the country, and the recognition of common loss helped reconcile North and South.

But other gestures had a more a political edge. Equivalence of experience was stretched to impute an equivalence of legitimacy. The idea that “now, we are all Americans” served to whitewash the actions of the rebels. The most egregious example of this was the naming of United States Army bases after Confederate generals.

Today there are at least 10 of them. Yes — the United States Army maintains bases named after generals who led soldiers who fought and killed United States Army soldiers; indeed, who may have killed such soldiers themselves....