understand what's happening in a system in real time enables us to actually take something that is real that we can pre't prevent by giving away free medicine. if someone's going to get sick they're going to get sick. >> see the entire clinton foundation health summit tonight at 8:00 p.m. on c-span. here are some of our featured programs for this holiday weekend on the c-span networks. on c-span saturday at 8:00 p.m. eastern, former texas state senator and gubernatorial candidate wendy davis. on the challenges facing women in politics. easter sunday at 6:30 p.m. eastern, golfing legend jack nik nicholas receives the congressional gold medal for his contributions to the game and community service. on c-span2's book tv saturday night at 10:00 p.m. eastern on after words activist and author cornel west on the

radical political thinking of martin luther king jr. sunday at noon on in-depth our live three-hour conversation with former investigative reporter for "the washington post," and "new york times" best selling author, ronald kessler. he's written 20 books including "escape from the cia," "the since of the father quarterback," and "the first family detail." saturday at 8:00 p.m. eastern on lectures in history, charles calhoun on the obstacles faces and accomplished by ulysses s. grant on american history, historian patrick schroeder takes us on a tour of a courthouse in virginia, the site of the confederate surrender on april 16, 1865. medical researchers update the senate aging committee on progress in developing a cure for alzheimer's.

the effect of this on current treatments and the need for more funding to study the disease. witnesses include former model, actress and restauranteur bee smith who's diagnosed with early onset alzheimer's.

this hearing will come to order. good afternoon. it is my pleasure to convene this afternoon's hearing to assess our nation's progress in combating alzheimer's disease since the enactment of the national alzheimer's project act which i co-authored with then-senator evan bayh in 2011. i don't need to tell the people in this room what a devastating disease alzheimer's is. it exacts a tremendous personal and economic toll on the individual, the family, and our society. in addition to the human suffering it causes alzheimer's costs the united states