thank you so much for being here, and welcome to our new executive director julie moose, and thank you to our friends from the national press club and the institute and thank you again let's give everyone a round of applause. [applause] >> throughout the year book tv attends author events conferences and book fairs to speak with non-fiction authors. at the national press club's annual book fair in washington we spoke with vanity fair editor david marglic about the relationship between robert f. kennedy and martin luther king, jr. >> he's a former legal affairs reporter from the "new york times," mr. david margolick, you're the author of "the promise and the dream," most people will link those two from those deaths in 1968, but they had a robust relationship, is that correct? >> david: robust is one way to describe