Robert McNamara is best known for his key role in the escalation of the Vietnam War as U.S. secretary of defense under Presidents John F. Kennedy and Lyndon Johnson. The familiar story begins with the brilliant young executive transforming Ford Motor Company, followed by his rise to political power under Kennedy, and culminating in his downfall after eight years of failed military policies. Many believe McNamara's fall from grace after Vietnam marked the end of his career. They were wrong.

In Robert McNamara's Other War, Patrick Allan Sharma reveals the previously untold story...