so stokely ends up in jail, he's in parchman penitentiary, and the press calls her up, and may charles tells them she's so proud of her son, she doesn't know what she's going to do. [laughter] so she did follow and heed stokely's advice. >> you can watch this and other programs online at booktv.org. >>> up next, mitch yo kaku discusses his book, "the future of the mind: the scientific quest to understand, enhance and power the mind," from the 14th annual book festival here in washington d.c. [inaudible conversations] >> all right. [cheers and applause] wow. the science room rocking it tonight -- today at the convention center. unbelievable. well, we're here to hear dr. michio kaku who is just amazing. i love this guy. [applause] just a footnote, i'm joel from the washington post. [laughter] i assume you knew. [laughter] but i write, i love the big cosmic questions, and there's no one better at asking and answering the big cosmic, i amazing questions than dr. kaku. he is just a genius at it. he's the co-founderf