How Netflix's 'Spiderhead' is different from the George Saunders short story

As the credits of Netflix's sci-fi thriller Spiderhead tell us, this movie is based on the George Saunders short story "Escape from Spiderhead," originally published in The New Yorker. And while the movie borrows the story's basic plot — inmates in a high-tech prison volunteer as subjects for emotion-altering drug tests — the...