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online at studentcam.org. >> you are watching booktv on c-span2 with top nonfiction books and authors every weekend. booktv, television for serious readers. >> and this weekend on booktv on c-span2 we are live from the ninth annual tucson festival of books in arizona. today we are featuring panels and cal collins on japanese-amen internment during world war ii, lgbtq writes, and slavery in america. tomorrow, we will hear from "nation" magazine john nichols, new york times maureen dowd and former goldman sachs vice president and undocumented immigrant. also this weekend on "after

words", council on foreign relations president richard haass explores the challenges facing u.s. foreign-policy plus dick carpenter discusses how special interest groups use government regulations to their own benefit and elizabeth allen taylor recalls the rise and fall of america's black delete from emancipation to the jim crow era. harvard university caroline blight offers a critical examination of standard ground laws and you'll hear about the impact of charles darwin on the origin species published in 1860. that all happens this weekend on booktv, 48 hours of of nonfiction authors and books. it's television for serious readers. we will kick off our programming this weekend jill jonnes who talks about the use of the trees in city planning.