first, booktv interviewed professor john l. jackson jr. about his book, "racial paranoia." the interview was conducted at university of pennsylvania's annenberg school for communication, and it's about 25 minutes. >> john l. jackson jr. is a professor of communication, anthropology and africana studies at the university of pennsylvania. of and he is the author recently of this book, "racial paranoia: the unintended consequences of political correctness." dr. jackson, when you talk about racial paranoia, who's paranoid? >> well, i would argue we're all paranoid when it comes to race. and probably for good reason. i mean, one of the points i make in the book is that race as a category itself is about the embedding of paranoia into the way we look at social life. so, for instance, the whole point of race is to say some differences are so paramount, so biological, so hard wired that we have to be on the lookout for them at all times and that they explain all the other ways in which we differentiate between uses and themes. and so race thits is about fear and social paranoia. all

john l. jackson jr. here's the book we've been talking about, "racial paranoia: the unintended consequences of political correctness." this is booktv on c-span2. >> visit booktv.org to watch any of the programs you see here online. type the author or book title in the search bar on the upper left side of the page and click search. you can also share anything you see on booktv.org easily by clicking share on the upper left side of the page and selecting the format. booktv streams live online for 48 hours every weekend with top nonfiction books and authors. booktv.org. >> big data is going to change how we live, work and think. and our journey begins with a story. and the story begins with the flu. every year the winter flu kills tens of thousands of people around the world. but in 2009 a new virus was discovered, and experts feared it might kill tens of billions. there was no vaccine available. the best health authorities could do was to slow its spread. but to do that, they needed to know where it was. i