Jonah: As a corrective to the idea that before those wonderful Boomers took charge, the USA was a fever swamp of racial insensitivity, I like to note that when a certain Agatha Christie thriller came out in 1939, its title contained the N-word in Britain, but was changed for US publication because the N-word was thought too offensive to American ears. In 1939! In Britain, meanwhile, a play based on the book was still being put on under the original title into (I believe) the 1970s.