A similar question: Wagner is often associated with Hitler and the Third Reich, even though Wagner lived way before the existence of the Third Reich. Do we stop listening to or performing Wagner?
For years the Israel Philharmonic Orchestra would not perform Wagner. In 2001 Daniel Barenboim led the Berlin Staatskapelle in part of Richard Wagners opera Tristan and Isolde at the Israel Convention Center as part of the Israel Festival in Jerusalem.
If the Israelis can allow Wagner a half-century after the Holocaust, I think we can tolerate Dixie 140 years after the abolition of slavery.