The Gumshoe and the Shrink is a tale of political intrigue—a detective story and medical mystery set against the backdrop of the closest and most storied presidential election in American history. It’s the never-before-told account of how the craziest private detective in the country uncovered Richard Nixon’s most closely guarded secret—that he was seeing a psychotherapist—and how that discovery put victory out of Nixon’s reach in the 1960...