With the centennial of Lydon Baines Johnson’s birthday approaching, author Robert Caro discusses his fourth, final and “very long” book on LBJ with the AP: “The historian says he has completed the opening section of his fourth LBJ book, filling hundreds of pages just to tell of Johnson’s brief, unhappy vice presidency under John Kennedy, concluding with Johnson being sworn in as president after Kennedy’s assassination… He is reluctant to reveal details, but says the Kennedys will be ‘more than characters; they are protagonists in this book.’ “Caro tells of the 1960 presidential election, when Johnson and John Kennedy battled […]