Old Friends will host The Heart of the Turf: Racing's Black Pioneers, a traveling exhibit sponsored by the Keeneland Association and developed and shared by the Keeneland Library, from Oct. 2 to 31, seven days a week from 10 a.m. to 2 p.m. daily, the retirement organization announced Tuesday. The exhibit, which highlights the lives and careers of 100 African American horsemen and horsewomen from the mid-1800s to the present, will be held in the Josephine Abercrombie Center at Old Friends at Dream Chase Farm in Georgetown, Ky. It will...