Actually, it means everything - the law is what the law is. Congress would have to change the constitution to reinstitute slavery. Regardless, I've asked you to read the opinion, did you do that? It discusses the notion of compelling reason. I really can't give you 200 years of jurisprudence in an internet blog response. I'm sorry. I think we covered the 13th Amendment issue previously. Maybe it wasn't you, but we went into it previously.