Fifty years ago this spring, Stanley Kubrick’s confounding sci-fi masterpiece, “2001: A Space Odyssey,” had its premières across the country. In the annals of audience restlessness, these evenings ...

For those who were alive fifty years ago, the most important sci-fi question in 1968 wasn’t: “Where were you when you saw Stanley Kubrick’s 2001: A Space Odyssey?” Instead, it was: “How high were you ...