i'm bradley graham, the co-owner of politics & prose along with my wife, lissa muscatine. on behalf of everybody at the bookstore and all the great folks here at sixth and u, thank you very much -- sixth and i, thank you very much for coming. every time we do a joint author event like tonight with sixth and i -- which we love doing, by the way, in this marvelous facility -- i think back 15 years when the building was up for sale and how close it came to being transformed into a nightclub. [laughter] you know? it came this close. but instead, the founders of sixth and i and the staff here have transformed this wonderful place over the past decade and a half into the vibrant community center that it is today. let's have a round of applause for that. [applause] we have a great event for you this evening featuring, of course, melinda gates here to talk about her new book, "the moment of lift." this is melinda's debut as an author, and her book is part memoir, part call for more action as melinda recounts the mission she's been on. she tells the story of her journey from taking