Freeman Gosden and Charles Correll made their radio debut January 12, 1926, as the comedic, blackface characters Sam 'n' Henry. On March 19, 1928 they introduced Amos 'n' Andy, which went on to become one of the most popular and longest running programs in radio history. During the height of its popularity, almost the entire country listened to the 15-minute, Monday through Friday adventures of Amos 'n' Andy. Department stores open...