nuclear policy with alison mcfar land the chair of the nuclear regulatory committee. life coverage of her remarks starting at 8:30 on c-span 2 and later the brookings institution hosts a discussion on marijuana legalization and international drug treaties. that's at 10:00 a.m. eastern. >> this weekend on the c-span networks. tonight at 10:00 p.m. eastern on c-span from the texas tribune festival. a conversation about dealing with undocumented youth coming into the u.s. then a town hall meeting on the coverage at harris state university in st. louis and sunday on "q&a" historian richard smith on his recent biography on norman rockefeller then author richard whittle on droughns anda yation and how they transform the american military saturday at 120k on book tv afterwards halpern on the questioning practices on the collection industry and then the southern festival of books tonight at 8:00 on american history tv on c-span three martin luther king's poor people campaign and the 1968 election then the life and legacy of booker t washington then sunday afternoon at 4:00 wh