your kids and cathy davidson, the author of the new education. ,umeral prize-winning economist mohammed younis talks about solving the problems of mobile property -- global poverty. go to book tv.org. this weekend on american history tv on c-span3, saturday at 8:00 p.m. eastern on lectures in history, sonoma state university professor talks is about the evolution of the parks service. >> this was not a case of setting aside a natural landscape and leaving it alone which is what we tend to think of when we think of part protection. what he was doing was making was oldut of what sheiks meadows -- old sheep's .eadows >> sunday at 6:00 p.m. on american artifacts, arctic -- architect on saving slave houses . >> i wanted to do this because it is a type of preservation. slave houses are buildings that are disappearing from the landscape. by documenting them, that is one way of preserving them. documenting them and through my databases, also a way to share and get it out there and learn something. >> at 7:00 p.m. on oral history, we continue our series on photojournalism. woman whoowing a ended up on

new york and author of the new education work also this weekend nobel prize-winning economist mohammed younis talks about how to solve the problems of global poverty, unemployment and climate change. he's in conversation with jeffrey sachs and columbia university. michael waldman, president of the brennan center for justice at nyu school of law examines the second amendment and the atlantic looks at the influence of tech companies like amazon, facebook and google on our news, politics and free will. on monday, calmest day, we had the finalist for the national book award which would be presented in november. that's all on this holiday weekend, three days of c-span2 book tv, television for serious readers and for complete television schedule visit book tv.org. host: your most recent book called shame. what is the title come from? guest: while, i wrestled with the title for a long time on this book. there are many different themes i tried to introduce in the book and i couldn't find that sort of single thing and finally i came upon with my wife the word shame and that word seemed to bring togeth

new york and author of the new education work also this weekend nobel prize-winning economist mohammed younis talks about how to solve the problems of global poverty, unemployment and climate change. he's in conversation with jeffrey sachs and columbia university