With more than 70 employees in its wargame and exercise unit, Booz Allen Hamilton is expanding the type of simulations it handles as well as the purpose of these exercises. The company has long conducted wargames -- including the board-game-style exercises most often associated with the term. But about two years ago, Booz Allen consolidated its smaller wargaming teams into a single unit. That business has taken on an increasingly wide variety of exercises, Ron Sanders, a former intelligence official...