Business is a dogfight. Your job as a leader: Outmaneuver the competition, respond decisively to fast-changing conditions, and defeat your rivals. That's why the OODA loop, the brainchild of "40 Second" Boyd, an unconventional fighter pilot, is one of today's most important ideas in battle or in business. The F-16 fighter jet is, as supersonic military aircraft go, a modest machine. It measures just 49 feet long and 31 feet wide from wingtip to missile-capped wingtip, and it weighs about half as much as its U.S. Air Force predecessor, the F-15. With a top speed of 1,350 MPH, it lags...