white house briefing sean spicer is scheduled for 1:00 eastern. pompeo cia director mike talks about national security live at 3:30 p.m. national constitution center in philadelphia has its annual freedom day event. the topic will be the u.s. constitution and the future of freedom. that's a beginning at 4:30 p.m. eastern. . saturday at 8:00, a nasa briefing on the discovery of seven earthlike planets. >> we are currently using the hubble space telescope to determine if they have hydrogen helium dominated atmosphere. >> followed by a discussion on the pros and cons of genetically modified foods.

this we of us who do think that all plants are gmos because there's actually nothing you buy in any of your grocery stores that hasn't been genetically modified. easterthe white house egg roll event. and a visit to the african-american history museum in washington. knew that the nation was thirsting for this museum. i didn't know the reaction would be this positive and this strong. a panel of federal judges discussing the history of the bill of rights. >> is part of the whole constitution. importanty designation of senses. division of power. congress andian of the archivist of the united

states. our collection is 156 million checks including 2 million books. historianstial discuss presidential leadership. >> it is interesting that the isatest american president bracketed by arguably the least successful american president. >> this holiday weekend on c-span. >> this weekend, c-span cities tour will explore the literary scene and history of charlottesville, virginia. saturday we visit the university of virginia to see their exhibit on william faulkner. >> we have a lot of wonderful artifacts from his time at uva.

things we have a typewriter he was issued by the university with the university property stamp on the back. we have a jacket that he wore. up. pretty torn he elected to keep his clothes for a long time. he left this jacket hanging in his office when he went on his last trip to oxford mississippi when he went away. >> we will travel to thomas jefferson's monticello. >> if you had visited 20 years ago you would have come up the mountain and you would have just seen his beautiful neoclassical villa. .e wanted to change that we wanted to restore the landscape of slavery. if you had come up this mountaintop in jefferson's time, the first thing you would have seen most likely would be enslaved people.

there would be no place on this mountaintop that slavery was not visible. we want to make that known to visitors to come here today. the millervisit center at the university of virginia to learn about their first year project. as lyndon johnson said when he became president no matter how big your majority is you get one year before the congress stops thinking about you and start thinking about themselves and their own reelection. yearnuary of your second all of the members of congress are thinking about their midterm election and they are really cautious about taking any risk to help you get your mandate and your agenda through. >> watch c-span cities tour of charlottesville saturday at noon eastern on book tv. working with our cable

affiliates and visiting cities across the country. the wife of democratic senator tim kaine and the daughter of the first republican governor of virginia since reconstruction was virginia's tocation secretary from 2014 2016. she stepped down when senator kaine ran for vice president. she recently spoke about access to and the quality of public education from the 1950's to today. from harvard university. this is about 90 minutes. leadership can be senior leaders interested in strengthening and leveraging their leadership skills to announce -- advance education initiatives. this year's cohort is in the audience. i would ask them to stand so that we can recogne