Saturday Night Fever begins with the classic scene of a very young John Travolta striding through the streets of Brooklyn. His shoes slap the pavement, his body sways to the rhythm of the Bee-Gees’ immortal song, played sotto voce, Stayin’ Alive. The story is about the attempt of the protagonist, his whole family, his friends and his community merely to survive. Therein lies a lesson for our times. The late, great Peter Drucker once wrote to the effect that, “Once an organization exceeds 1,000 people, its first purpose becomes self-preservation.” (Anyone who can find the precise quote in Professor Drucker’s...