Kentucky Senator Henry Clay might be considered one of the premier American politicians pre-Lincoln, but what is not up for debate was his fervent commitment to breeding equine athletes and attending the races. You cannot actually visit his home--Ashland--because the structure that stands on the Clay Estate just south of downtown Lexington is not original to "The Great Compromiser" and his time. However, interpretations of Clay-related objects enliven the tour. Ashland in name was imported as a stakes race when Keeneland opened in 1936. Some familiar female runners who graced...