brands, douglas brinkley robert caro, robert dallek doris kearns goodwin, david kennedy, kenneth mackills. did you attend that one? and i understand there's -- i've heard there's been a second one. >> yes. i attended both of them, and it was a -- i was very proud to be there. and michelle and barack obama were basically hosting a book club with some historians. the second meeting david mccullough was there, so we got to talk about john adams and jefferson. and doris kearns goodwin was there, and she always likes to talk about john kennedy and lincoln, who the president loves a lot. so, i would think of it -- i don't think we influenced the president. i look at it more that he really does read presidential biography as a hobby, that he had us all come in. it's off the record what we talked about. but there's nothing that secret about it. i talked a lot about theodore roosevelt, because i just wrote a book on t.r. and i found it -- i think he uses it as a form of relaxation. and it helps to remember what other presidents went through. so, i think it's very healthy that the president doe