coming up friday morning newsmax media incorporated ceo christopher ruddy discusses donald trump's presidency so far and the white house's relationship with the media. and aaron durkit national health care correspondent discusses the divisions within republicans on how best to repeal and replace the affordable care act. then anti-defamation league ceo and national director jonathan greenblatt discusses the ongoing threats made against jewish community centers and schools. be sure to watch c-span's "washington journal" beginning live at 7:00 a.m. eastern friday morning. join the discussion. >>> this weekend the c-span cities tour along with our comcast cable partners will explore the literary life and history of san jose, california. saturday at noon eastern on book tv. hear about silicon valley, home to many of the world's largest high-tech corporations, including google, facebook and apple. tech business reporter eith eer barron of the mercury news talks about some of the successes and challenges it's had on silicon valley and the region. >> silicon valley is booming. it is absolutely rampan