i've ♪ >> sunday, february 6th, on "in depth," law professor cheryl cheryl cashin will be our guest.er many books include the agitator, and her latest, white space, black hood. join in the conversation with your phone calls, facebook comments, texts and tweets for sheryl cashin, sunday, february 6th, on booktv on c-span2. ♪ >> get c-span on the go. watch the day's biggest political events live or on demand anytime, anywhere on our new mobile video app, c-span now. access top highlights, listen to c-span radio and discover new podcasts all for free. download c-span now today. ♪ ♪ >> and you've been watching booktv. every sunday on c-span2 watch nonfiction authors discuss their books, television for serious readers. and watch them all online anytime at booktv.org. you could also find us on twitter, facebook and youtube @booktv. .. >> on the other side of the capital of the u.s. house is back tuesday at two p.m. eastern with votes later on legislation to bolster u.s. research and development to better compete with china and a the semiconductor chip industry. members are expected to vote