The past few weeks, CNN has been juggling the order of its episodes of The Eighties, to the point where my descriptions, at this point, have been right only 33 percent of the time. Well, let’s try, try again. According to the latest information, which may or may not be accurate, tonight’s episode is supposed to be “The Tech Boom,” which looks at the rise of computers and other technology in that decade. But it could also be the postponed “Video Killed the Radio Star