Who is Walter 'Win' Everett Jr. from Libra and what is their importance?

Win Everett is a college professor who was once drafted into the CIA. Everett found his work in the CIA exciting; therefore, when the Bay of Pigs invasions goes wrong and he is diagnosed as motivationally fatigued, Everett is returned to his career as a college professor. Everett lives in Denton, Texas with his wife and child, a bored professor who would do almost anything to get back into the excitement of the CIA. It is Win Everett who brings together two other members of the CIA also damaged by the Bay of Pigs invasion and presents his idea on how to restore their reputations and return to their former glory.