Now on booktv, Kwame Anthony appiah recount w. E. B. Du bois time spent as a student at the university of berlin. This is about an hour and a half. So, first about, thanks for coming out on a rainy night. And thank you to Anthony Appiah and cornel west for being here. Its an honor. Im going to say a few introductory words about our distinguished as the men also about Anthony Appiahs new book, lines of descent w. E. B. Du bois and hte emergence of identity, which of course we are here to celebrate tonight. Ive asked professor appiah to tell us a little bit about how he came to write the book and the conversation will go from there. So it is a very fortune to have those Anthony Appiah and dr. Cornel west, truly of this countrys great poet intellectuals with us to discuss lines of descent. Anthony appiah, tiger princeton from 2002 until the end of the last year is now professor of philosophy and not. For faster appiah is known for his contributions of africanamerican studies, political ph