dr. 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