Among their secrets: How Jack Kennedy tried to blame Ike for the Bay of Pigs. How Ike quietly helped Reagan win his first race in 1966. How Richard Nixon conspired with Lyndon Johnson to get elected and then betrayed him. How Jerry Ford and Jimmy Carter turned a deep enmity into an alliance. The unspoken pact between a father and son named Bush. And the roots of the rivalry between Clinton and Barack Obama. Time magazine editors and presidential historians Nancy Gibbs and Michael Duffy offer a new and revealing lens on the American presidency, exploring the club as a hidden instrument of power that has changed the course of history.