Douglas C. Waller

A Question of Loyalty: Gen. Billy Mitchell and the Court-Martial That Gripped the Nation is a book by Douglas C. Waller.

He was one of America’s most exciting and secretive generals—the man Franklin Roosevelt made his top spy in World War II. A mythic figure whose legacy is still intensely debated, “Wild Bill” Donovan was director of the Office of Strategic Services (the country’s first national intelligence agency) and the father of …