a--Bobby Kennedy, To capture the full arc of his subject's life, Tye draws on unpublished memoirs, unreleased government files, and fifty-eight boxes of papers that had been under lock and key for the past forty years. He conducted hundreds of interviews with RFK intimates₇including Bobby's widow, Ethel, his sister Jean, and his aide John Siegenthaler₇many of whom have never spoken to another biographer. Tye's determination to sift through the tangle of often contradictory opinions means that--Praise for--₇David Nasaw,--₇--₇Henry A. Kissinger From the Hardcover edition.