With the release of “Men in Black 3,” The Guardian takes a look at the folklore surrounding UFO sightings, specifically, the tales of black-clad men who were rumored to show up in the wake of such sightings to talk to witnesses and, one assumes, to cover up all those awesome secrets. Sadly, there really aren’t that many good UFO sightings any more. I remember watching the old “In Search Of” show on a UHF station out of Springfield, Mass. in the 1970s. The details have long escaped me, but I vividly recall host Leonard Nimoy talking about the Air Force’s “Project Blue Book“ and the Roswell incident. Here’s the nut graf from The Guardian’s story: In 1953, Albert K Bender, the editor of a UFO publication called Space Review, announced that he’d found the solution to the flying saucer mystery but had been forbidden to print it. He warned others working in the field to be cautious, and then stopped publishing. Later he said that three men wearing dark suits had told him to write no more about UFOs, and he’d obeyed them because he’d been …