By Steven Levingston Author Charles Pellegrino confirmed Monday that he was duped by a source while researching his book on the bombing of Hiroshima and will remove the impostor entirely from the pages of future editions. "The Last Train From Hiroshima," published last month by Henry Holt to favorable reviews, contained reminiscences of Joseph Fuoco, who claimed to have been a last minute substitute aboard Necessary Evil, one of the photography planes that escorted the Enola Gay, which dropped t...