WASHINGTON, Nov. 17 -- The Military Officers Association of America issued the following news: By Blair Drake As a lieutenant in the Air Force in 1975, Dave Dunlap saw an ad for tap dancing classes and decided to sign up. A year later, when the Tops in Blue Air Force talent show came around, he had honed his skills enough to merit first place in the Wright-Patterson AFB contest. Fast-forward nearly 40 years, after serving a 20-year military career, retiring a lieutenant colonel, and then wor  more