screening, in a world of multiple different platforms where people can consume media. campaigns really need data and analytics and technology to figure out which voters do need to reach, what messages are most likely to appeal to them and how best to we reach them? how do we get our message to people? how do we make them care about politics? how do we get them interested into our candidate? >> monday at 8:00 eastern on c-span two. weekend, c-span is visiting denver to take a look at the city's history. a visit to the colorado state capital. everett and lance will be our guides. the colorado state capital was built between 1886 and 1901. it took 15 years.

construction started 10 years after colorado join the union. centennialed the state. the capitol building took 15 years to build on a site that was donated by local businessman. not an alternative. truist.truest -- al it took almost 20 years and two trip to the united states supreme court to resolve who owned this property in large part because the state did not build on it for a long time. they did not have the money. all thetwice it made it way to the u.s. capitol building in washington dc for two battles before the supreme court which he finally lost in january of 1986. -- 1886. the colorado state capital stands at one mile above sea level.

there are actually mile high -- three mile high markers on the west steps. the original one was on the 15th step which is a brass marker that was the ultimate souvenir of denver. people kept stealing it so we had to put new ones in. in 1947, they can't one mile above sea level on the 15th step. in 1969, a group of students from colorado state university remeasured and they said we were off i three steps. -- by three steps. our third mile high marker because the federal government redefined sea level and how we judge altitude. global warming and two levels and all of that aside, the mile high marker actually dropped. it is on the 13th step. there is a plug that was installed in 2003.

we are on the second-floor of the colorado state capital. this is the legislative floor. this is where the 100 members of the general assembly meet between early january and early may. it was intended to be built out of as many native materials as possible. you want to keep as much of the money as building the capital in the state and encourage local industries. most of the stone came from local couriers. ies.uarr all of the doorframes and window ozark wood.made of the brasses from cincinnati, ohio and waco, kentucky. the capitol building has over 33 stained-glass windows. they represent various figures in colorado history.

historical individuals. men and women from different ethnic groups. the window that is behind me honors emily griffith was a schoolteacher -- who was a schoolteacher. she founded the emily griffith opportunity school which now operates as a vocational training school. her intention was to provide free education on any practical issue that children or adults might want to learn. if you wanted to find a better job or get skills that would help you earn more money for your family, she would invent classes as the school year went on. there was no set structure or schedule. you showed up whenever you needed to to take more classes you wanted. she would ask students what they are interested in. then she would find people who knew that and hire them to teach a class at 10:00 at night or

10:00 in the morning. it did not matter. it was an open-ended school. the motto was always opportunity. it remains in operation today it is elevating it centennial here. centennialing it's here. our governor was one of the few speakan politicians to out in support of japanese-americans after pearl harbor. he took a great political risk to ask that coloradans teach everyone with dignity and respect. the japanese internment camp built in southeastern colorado was undoubtedly the most open. it had the best interaction with the local communities. there was a great deal of support of japanese-americans. he is your member with several plaques at the capital building remembered with several plaques at the capitol building. in the 1960's, color others

governor was john love. -- colorado's governor was john love. he was a republican from colorado springs. he signed the nation's first liberalized abortion laws legalizing abortion across the spectrum. there were not any categories that were limited or constrained. the bill had been written by a denver politician who eventually served 12 years as governor. it was a democratic bill signed by a relatively conservative republican governor. that was six years before the robie wade decision. robie wadee -- decision -- roe v wade decision. there is an ongoing historic preservation effort at the capital. we have been working on trying to reclaim the building to the

way it looked a century earlier when it opened. capital architect lance shepherd can provide us with information. >> watch her head. -- your head. are two domes to the capital. we are inside the outer dome which is just below the lantern. the capital is modeled after u.s. capitol. it is an architectural feature to make it look bigger than it is. artists considered the gwo -- who uilded the capital. dome, on thee exterior of this is copper.

storms hadf hell damaged the copper quite a bit. it has marker fractures. we replaced all of that. -- microfracture's. we replaced all of that. -- microfractures. we replaced all of that. there are three layers of water proofing now. we are currently in the house chambers which is under restoration. they started approximately three years ago. the first year we did the lower-level restoring the ornate extensively. the second year, we did the upper levels. the third, we are doing the gallery. glued stealing styles -- ceiling tiles.

we are taking back to the original 1903 which is our period of historic significance. that is for all the photograph showing the stenciling. the lower-level, we just touched up the original stenciling to on the upper levels, we re-created it on top of an acoustic plaster material. we opened up the copper and ld upred it all the gui there and we restored the chandelier. the chandelier was both gas and electrical at one time. if you look at the upper sections, the gas jets are still there. a lot of the paint here had been

dulled with 100 years of cigar smoke. the greenest for the house of commons. it is red for the house of lords. capitalolorado state serves at the heart of the community. there is not necessarily any reason for the state of colorado to exist. it's a giant right angle that bring together cultures and environment and economies that do not necessarily have anything in common. this is the place where people gather to decide what do we want, what do we need. what makes us colorado. it has a great deal of symbolic power and historical power. it takes place for colorado's history is preserved. there are euros and paintings and stained-glass windows --

murals and paintings and stained-glass windows. what we want to commemorate out of our past and shared existence . this weekend, we are featuring the history of denver, colorado along with our comcast cable partners. learn more about denver and the other stops on our cities tour's . you are watching american history tv. all weekend, every weekend on c-span3. for campaign 2016, c-span continues on the road to the white house. a president for democrats, republicans, and independence. >> we are going to win with education, we are going to win with the second amendment. >> ahead, live coverage of the presidential and vice presidential debates.

monday, september 26, the first presidential debate live from hofstra university. on tuesday, october 4, vice president of candidates debate at longwood university. on sunday, october 9, washington has thety in st. louis second presidential enough up to the final debate between hillary clinton and donald trump taking place at the university of nevada las vegas on october 19. live coverage of the presidential and vice presidential debates on c-span. was sunlight on the c-span radio live on the c-span radio app or c-span.org. >> on labor day, watch america history tv of the national park service centennial. we are live from arlington house. here is a preview. ago, president

woodrow wilson signed a law that created the national park system. the washington monument and the national mall where we are stating as part of the system. this is a uniquely american idea, the idea that the american lance do not belong to a ruling class but the american people. canyon,uch as the grand yellowstone, the second liberty. the had become clear to us and many are known around the world. they are our nation's crown jewels. president obama on a visit to yosemite told a crowd it is a must like the spirit of america itself is right here. today there are 84 million acres in the system including 59 parks, 128 historical parts, 25 battlefields. last year, some 309 people visited the national park locations.

when people think of national parks, they give grants natural spaces like the everglades. along the way, the national park service took up a second mission. telling the american story. the lincoln memorial, washington monument, and even president park which surrounds the white house are all part of the national park service narrative. this mission was carved into the stone of mount rushmore who wrote the purpose of the memorial is to indicate that founding and unification of the united states could be american story is complicated. the national park service is taking the lead in trying to reconcile dueling storylines. arlington house, which is on the hill of john f. kennedy's grave site is an example of the effort. it is the parks is the most visited historic home. today, visitors learned several storylines connected to this 19th-century mansion from george washington and the revolutionary

war to robert e lee and the civil war. they learned about the enslaved people who lived their lives there and legacies live on. program one entire monday at 11:00 a.m. and 11:00 p.m.. american history tv and holidays, too on c-span3. next on american history tv, history professor teresa talks about her book, angels of the underground. the american women who resisted the philippines in world war ii. she talks about for american women involved in espionage rings after the japanese indication -- invasion. is at aminute event conference and was hosted by the macarthur memorial in norfolk,