you've written again amazing biographies, i'm a huge nan of the clementi book, the lombardi is fantastic those were written at a time when the resources available to you through technology to gather material and process material were maybe not the same as they are now. the life of the a biographer, the process has been impaated byy ccess to records, technology and all that. i would imagine significantly. >> well, there's so much i could talk about there. i was afraid and i'm thinking about future biigraphers what will be on the record -- is it all going to be email and tweets and so on. >> right. >> luckily barack obama did write letters and he did keep a journal and he was a writer. so that helped in terms of that. and he was -- everybody had to deal with for the most part was alive and his parents were and his grandparents. and the hundreds of interviews that go into this book. i went to 16 libraries and archives around the world for this book. and everything i do is sort of three things. i believe in going there, wherever there is -- >> yep. >> so for the lombardi book and turning to