then former new hampshire state senator gary lambert and later, burt cohen on his support for bernie sanders. washington journey is live on c-span. you can join the conversation with your calls and comments on facebook and twitter. >>> this weekend the c-span cities tour, hosted by our cox communications cable partners explores the history and literary culture of santa barbara, located approximately 90 miles northwest of los angeles on the california coast. the city is nicknamed the american riviera for its spanish influence and architecture. on book tv we'll learn about the history of endangers species of california. next, find out about rising sea levels and the threat they pose to coastal cities. >> 3 1/2 million people in california live within 3 1/2 foot of modern sea level. many of them in the bay area. that's a lot of people to move. >> then we'll visit the old mission santa barbara, to tour their archives and the surrounding area. on american history tv, we'll travel back to the silent movie era, and learn about the central role santa barbara played of the industry, as we exp