david ben-gurion and mao zedong. very different ideologies coming from very different systems, very different histories. but all trans formed. and we're going to be talking about why you chose them, how you would them. we've got some specific questions on some of those folks. and then of i will ask you to take a look to the present and into the future on what will prove to be the transfer formative titans, if there are any of the 21st century. i'd like start off of by welcoming you to the institute but by asking you a question. titans of the 20th century. why did the 20th century produce these titans and how did you define the characteristics that made them subjects for your book. well thank thank you ambassador satterfield. thank you all for coming. thanks to the baker institute for making this possible. and to our c-span viewers for tuning in, i wrote this book for two reasons. first, i wanted to remind or in some cases, in form readers about just who these titanic were in their day. they dominated the world's head