"In Rock Hill, South Carolina, in 1949, Judy Kurtz and Mattie Culp shared a bed, but when Judy needed stitches after a playground accident, the white child and Black woman were sent to separate, segregated, hospital waiting rooms. In 1956, Judy and Mattie discovered Elvis together--a white man dancing Black on the Ed Sullivan Show--but only Judy would attend his live concert. After Mattie's daughter, Minnie, rode in the local Christmas parade as her...