a home visit with lena vega, the social scientist has 2 older sisters. researchers like her have been visiting the family for nearly a decade to conduct interviews or takes a live of samples for genetic analysis. the 3 siblings and their parents are part of the twin life study. the long term study aims to design for the reasons for social inequality, which has a stronger influence, jeans, or the environment. and how did these factors evolve over time? once within alpha and my dna doesn't change during our lifetime, but you can think of it like a light switch. flushed and environmental stimulus happens, and the gene activities tend on or off on that to most of cause change. but then with the help of the saliva samples that we have obtained, we can also address such questions in the futures just carton in circles. and in each twin, answers questions individually. the sociologist wants to learn as much as possible about the twins lives to mention, because sometimes i can't sleep because of problems at school in one to finish, finish, education and career in

lena horne, who was... yes. ...a tremendous draw in vegas, who literally, because she could not -- because was treated like the pool, and they drained the pool. white: in 1955, we had the first integrated hotel-casino that could rival any of those on the las vegas strip. and it was called the moulin rouge. crowd: alright! ♪ white: a lot of people think the moulin rouge was black-owned. it was not. it was owned by whites who knew that african americans were earning money now and that they wanted to spend it. the moulin rouge was themed after the moulin rouge in paris, and you had some of the best entertainment that everybody wanted to enjoy, with the first line of black dancers. ♪ geran: we thought that, for the first time, maybe las vegas wants to become integrated, and it started to get a lot of attention all over the world. but it was only open for six months. that was very perplexing because everybody wanted to go there. everybody went there after hours. all the entertainers went there. it was the place to be at night. ♪ white: there are lots of reasons that people give why the moulin rouge closed. the

and yet some of the biggest entertainers in vegas were black entertainers, sammy davis junior and lena horne and nat king and and for many years, most of the hotels would not, would not serve black people in the hotels or allow them in the audiences. and it was the entertainers themselves with the help of people like frank sinatra who argued that this is crazy people like harry belafonte could not, who entertained it was big court starring in las vegas in the first time he played there, they had to say he couldn't stay in the hotel where he was entertaining. they had to send him across town, the black area well, people like him raised a stink and obviously things changed fairly, fairly quickly in the late '50s and early '60s. >> wow, also fascinated and of course we'll learn even more with your series, richard xylem. thank you so much for being with us. cnn looks bad i got the icis

vegas with heavy hearts after that tough loss. kristen, many are flying back home as well to the bay area today. >> abc seven news reporter lena howland caught up with some fans who went to the game. >> he's just coming back from vegas after a you know, an epic weekend, but a disappointing loss. >> the faithful coming home to san jose without that prized super bowl win, nail biting, nail biting experience. >> you go there, you're pumped up, you're doing so well, and then all of a sudden it slips away from you. and this one was so close, so close, so disappointing. >> you know, hard to hard to take it. i think the bay area would have been so happy and everybody would have been so happy here. >> brian hom and his wife said they got tickets from a random drawing as season ticket holders, he describes what the moment was like when the chiefs scored their final touchdown in overtime time. >> oh, it was very disappointing . we were sitting there. there were some kansas city chiefs player, um, fans there and at the end of the game they were hugging and we were just sitting there in shock like, you know, this unbelievable goal. and you know,

the biggest entertainers in vegas were black entertainers, sammy davis junior and lena horne and nat king and and for many years, most of the hotels would not, would not serve black people in the hotels or allow them in the audiences. and it was the entertainers themselves with the help of people like frank sinatra who argued that this is crazy people like harry belafonte could not, who entertained it was big court starring in las vegas in the first time he played there, they had to say he couldn't stay in the hotel where he was entertaining. they had to send him across town, the black area well, people like him raised a stink and obviously things changed fairly, fairly quickly in the late '50s and early '60s. >> wow, also fascinated and of course we'll learn even more with your series, richard xylem. thank you so much for being with us. cnn looks bad i got the iconic history of las vegas. and the why that retainers that set the city on fire. i get ready for elvis, the rat pack way newton and more in the news cnn original series vegas, the story of sin city premiering tonight, 10:00

lena howland abc seven news thank you so much, lina. >> another hiccup trying to get space tourism off the ground, the issues keeping virgin galactic space planes grounded. >> what happens in vegasted back here to the bay area. up next, we're live on the las vegas strip with abc seven reporter zach fuentes for some super bowl week fun. but first, a check on the weather with drew gretz in vegas. >> here's a live look at live doppler seven, along with satellite. we got a break in the rain yesterday. now our next storm is on approach today. here it is moving into eureka this morning. it's spinning pretty quickly down the coast, so it's not a lot of rain, but it will bring us a quick downpour later today and also some gusty winds into the afternoon. here's how the day breaks down your sky changes pretty rapidly throughout the morning. early on we'll have partly cloudy skies, a bit of sunshine out there. then midday we have showers and downpours and then into the afternoon we'll see the sun coming back out, but those winds are going to pick up once again, not nearly as strong as they were on sunday, but from time to time we may see winds gusting over 30mph. looking at the wind foreca