or maintenance slaegz colleagues we'll be hearing more first from the public works and then from ben davies from the arts. >> and good afternoon, supervisors i'm the city person from public works this project was into our office i have - sorry. >> take your time. >> all right. all right. thank you again, this project came to public works back in june and we're reviewed it and we're into the regular process and this is the light rail market from van ness to embarcadero about two miles illuminating the city which was described and it is the works first sculpture of its kind and the entire route has one hundred 42 lights that is going into the city through the tubdz and this is an example that joined obituary us we got from the sponsor which is the illuminate our of the arts this is the same thing that shows the ride this is typically what the future will look like on both sides of this is a cross section of market street which is not clear but you'll have two lights running with the traffic this is a temporary project approximately 4 years and will be installed by illuminated art and deemed b

or maintenance slaegz colleagues we'll be hearing more first from the public works and then from ben davies from the arts. >> and

ben carson on his book, one nation. what we can do to save america's future. kerry armstrong discusses fields of blood. and james mcpherson talks about his book, embattled rubble. jefferson daviss commander in chief. >> here are some of our featured programs this holiday weekend on the c-span networks. saturday night, supreme court justice elena kagan at princeton university. fact checker author glenn kessler on his end of the year biggest pinocchio's of 2014 awards. on c-span2, saturday night at 10, senior editor on the long-standing battle of supreme court activism and judicial restraint. and sunday, book critic jonathan yardley that recently retired after 33 years with the washington post. tv,on american history historians and authors discuss president lincoln's 1864 reelection campaign. and sunday afternoon at 4:00, trial by fire. chronicles the 84th infantry division during the battle of the bulge. find our complete television schedule at c-span.org and let us know what you think about the programs you are watching. us, or send us a tweet. join the c-span conversation and follow us on twitter. our q&a program is 10 years old now. to mark this decade of compelling conversa