a ida tarbell is my favorite character in the idea of this great female investigative journalist and then the relationship between teddy and taft but for a book at this stage of my life i don't think i can afford 10 years on millard fillmore or franklin pearce. there's no big person to go back too easily so i'm bringing all my guys in the room at the same time and i'm going to write about leadership. that's really what i care about underneath it all. [applause] oh thank you. i just started it. >> after you finish that book i hope you will do a great service for america by running him. >> the next program is 40 minutes. hello. [cheers] [applause] >> wow, the science room is rocking it tonight. at the convention center. unbelievable. we are here to hear the doctor who is just amazing. i absolutely love this guy. [applause] [applause] >> michio kaku. i love the positive questions. there's no one better at asking the positive and amazing questions and doctor michio kaku. he is a genius and the cofounder of the theoretical physicists at the university of new york grid is written multiple