kenny for nasa's come and i said you're crazy. i have read everything written on the kennedys and on mrs. onassis. there's been thousands of books and i went to the library of congress at that time, remember when they had the card catalogs? i told him how many books have been written and december could be another book. and he said, you've got to write a book and get behind the myth. and so i did. i wrote "jackie oh!" and that's how i got into writing unauthorized biographies. and please, let's tell your viewers that unauthorized does not mean i'm true to. >> host: how do you get beyond a myth? what are your techniques? >> guest: well, you know, it was president kennedy who said, i think, that the biggest misconception is not really the lie, which is deliberate, contrived and unrealistic, but the myth, which is persuasive and wrong. so that i tried to do, i try and do as much research as i possibly can. i do start by writing the subject, because all my subjects have been alive. they are a tightknit society. they have in some way influenced our landscape, left an imprint in our culture. i write to t