it is part of a conference hosted by clark atlanta university. the program starts at 8:00 p.m.astern time on c-span. >> this weekend on the c-span networks -- friday night on c-span, native american history. on saturday, live all-day coverage from the national book festival science pavilion. saturday evening from bbc scotland, a debate on scotland's's upcoming decision on whether to end its political union with england. sunday, q&a with the chief justice of the second circuit court of appeals. he shares his approach to interpreting laws passed by congress. , friday at 8:00 p.m., in depth with ron paul. saturday, all-day live coverage of the national book festival. speakers, interviews, and fewer call-ins with authors. sunday at 9:00 p.m., after words. on american history tv on c-span3, friday, a nasa documentary about the 1969 apollo 11 moon landing. war,day, on the civil general william tecumseh sherman's atlanta campaign. sunday night, a look at election loss and supreme court cases in bush versus gore. find our television schedule at www.c-span.org, and let us know what you