e. b. du bois when he talks about raise as the major challenge of the 20th century. i would like you to reflect on what your team has been today, this whole idea of raise in the twenty-first century. my second question has to do more with your book, the 18 chapters, how do you get to that? did you say i am going to do 18? or it came out to be 18? you refer to that and i see it in the book. >> to answer the second part, i didn't have 18 in mind. i just wanted to pick out, i wanted to pick out the ones that i thought were essentials to communicate the sweep of it, not all the particulars. nobody said i am sorry you had to abbreviate or make it compact. the other books are not going anywhere. they are still there. i am hoping some small portion of the people who are introduced will want to know more about it. and go not just to my books but lots and lots of books, ones that are slated, it is a whole universe, largely uncovered by hollywood because hollywood and i know this from 25 bitter years trying to get any of these stories made into films. they want to show, they a