Reuters/Cheryl GerberBIRMINGHAM, Ala. (AP) — Sometimes it seems like the impassioned people who want to preserve Confederate monuments across the South are reading a different history book than the rest of the nation. In fact, they are. A decades-old booklet called the "Confederate Catechism" lays out core beliefs of Southern heritage groups including the Sons of Confederate Veterans, which sells the book and has defended rebel monuments in New Orleans and elsewhere.