KISSIMMEE -- Nelson Winbush rotates a miniature flag holder he keeps on his mantel, imagining how the banners would appear in a Civil War battle. The Stars and Bars, he explains, looked too much like the Union flag to prevent friendly fire. The Confederacy responded by fashioning the distinctive Southern Cross -- better known as the rebel flag. Winbush, 78, is a retired assistant principal with a master's degree, a thoughtful man whose world view developed from listening to his grandfather's stories about serving the South in the "War Between the States." His grandfather's casket was draped with a Confederate...