A version of this story appeared in CNN Business’ Nightcap newsletter. To get it in your inbox, sign up for free here . New York CNN  —  Over the past six weeks, federal workers have watched in horror as software engineers, many with no experience in government, have sauntered into their offices with a mission to sniff out corruption and cut costs. The strategy, while still opaque, is hardly surprising coming from two businessmen accustomed to the world of private enterprise, where CEOs tend to