Hear TIME magazine executive editor Nancy Gibbs discuss her new book (co-authored with Michael Duffy), The Presidents Club, which traces the history of the worlds most exclusive fraternity. This captivating work examines the private relationships among modern American presidents, including Jack Kennedy and Ike Eisenhowers rivalry, Jerry Ford and Jimmy Carters unexpected alliance, and the deep sense of competition between Bill Clinton and Barack Obama. A Q&A and book signing follow the program.