Confession: This column was originally going to be a downer. Perhaps it would have had a headline that said something like‚ “Is this the last Black History Month?” It makes sense to be pessimistic about the fate of this February tradition‚ given the political climate around issues of diversity and the battle over how race and history are taught in schools. Nikki Haley‚ who wants to be president‚ erased slavery from the Civil War‚ then she suggested America was never racist and then...