The Rule of Seven for Disasters

Several years ago, I became very interested in a television show titled Seconds From Disaster, which aired on National Geographic. Over the seasons it covered just about every plane crash and numerous other disasters. I noticed a startling commonality. No plane crash just happened. There was always a series of mistakes, miscalculations, negligence and other events leading up to those final seconds and the disaster. Which led me to develop the . . .

The Rule of 7: no disaster involving humans happens in isolation or as the result of a single event. It requires a minimum of 7…