Louisville's Kentucky Derby Museum is under construction, with demolition beginning on the first floor for an expanded Black Heritage in Racing exhibit. Due to open at the end of March, the exhibit, which has had a permanent display inside the museum since 1993, is moving to a larger and more prominent location. More artifacts and artwork will also be added to the exhibit, which documents the stories and contributions of Black horsemen in racing. The new exhibit space, just shy of 930 square feet, will lead visitors through the history...