>> she said now that robert sandler has found a place, a rightful place in history, it was as if her decade-long haunted memory had come to an end. i think that's in some ways finer praise then any that i have personally received. i think i have time for one more passage that i'm going to read, and this is from the end of the book in which takes up a very different kind of challenge. the first kind of challenge that i described to you is the challenge of storing making which is how do you populate a book. the challenge that appears in the content. a book like this also faces a very different kind of challenge and that's the challenge of summary making, which is at the end of the book how to summarize 4000 years of history? how does one prepare to give, how does one tie up all of this? the quick answer is there is no simple solution. that's something you learn in the book. one of the challenges of this book is there's no path answer. i did not want to write a book where i said this is how you cure cancer. or nonsense like that. and so here i take up that challenge by actually performi