matt and daniella will stick around. we have more on the republicans' health care dilemma. >> but coming up, joe biden's touchiness, and it's a reminder that he may be out of touch. can the former vice president win in today's democratic party? ? humira patients, you inspire us. the way you triumph over adversity. and live your lives. that's why we redesigned humira. we wanted to make the experience better for you. now there's less pain immediately following injection. we've reduced the size of the needle and removed the citrate buffers. and it has the same effectiveness you know and trust. humira citrate-free is here. a little change can make a big difference. humira can lower your ability to fight infections. serious and sometimes fatal infections, including tuberculosis, and cancers, including lymphoma, have happened, as have blood, liver, and nervous system problems, serious allergic reactions, and new or worsening heart failure. tell your doctor if you've been to areas where certain fungal infections are common and

. >> reporter: 3-year-old daniella and 5-year-old oscar are practically unscathed. daniella had some scrapes to her arm but is otherwise okay. >> i wasn't sure yesterday when i saw the video because i'm like, nothing happens to my kids, nothing. >> reporter: cashier vivian salvador broke down when perez returned to the restaurant today to say thank you. salvador watched it all happen and ran outside to try to help the family. >> never expected to be able to see her alive again. >> reporter: perez ordered food on the house today. the folks at via corona are just grateful to be able to serve her. >> i will take care of her every time i see her and i'm here. >> thank you. >> reporter: now, while it's still unclear what caused that driver to lose control, perez wants to warn other drivers to be extra careful. don't get distracted because it doesn't take much as we saw in that video to cause a disaster. reporting live in napa, i'm jodi hernandez, nbc bay area news. >> okay, jodi, thanks so much for that report. >>> scientists are trying to figure out what killed two whal

. >> reporter: 3-year-old daniella and 5-year-old oscar are practically unscathed.a has some scrapes to her arm but is otherwise okay. >> i wasn't sure yesterday when i saw the video, because nothing happened to my kids, nothing. >> reporter: cashier vivian salvador broke down when perez returned to the restaurant today to saynk you. salvador watched it all happen and ran outside to try to help the family. >> i never expected to be able to see her alive again. >> reporter: while it's unclear what caused the driver to lose control, ultimately ending up crashing through a concrete wall, perez urges drivers to be careful. it doesn't take much to put others at risk. >> don't use your cellphone. don't answer any calls or anything. please. >> reporter: perez' husband was parked outside and watched the whole thing happen. he too is still shaken. he told his wife he feels like he witnessed their rebirth. in napa, jodi hernandez, nbc bay area news. >> a horrifying incident, jodi, thank you. >>> a brutal attack with a wine bottle at a san francisco restaurant and police are s

. >> reporter: daniella schultz describes the gunfire she heard coming from her neighbor's house early this morning. rich monld police say they responded to a 911 call from a teenaged girl about a violent invasion, claiming the family was trapped in the house. >> they also advised the suspect was their father who was armed with a knife and was trying to attack family members. >> reporter: police say they arrived to find a man attacking his own teenaged son with a knife. he refused to put the knife down and instead advanced toward the officers. that's when they shot and killed him. >> the force that they used at the time was necessary to save that young boy's life. >> reporter: the boy was stabbed in the face. his mother had cuts to her head. police say the family had taken out a domestic violence restraining order on the man about a month ago. >> i seen the mom come out the front. and then she comes out with a slash on her face, on the left side, bleeding. >> reporter: schultz says she saw the man arrested at the house last month but didn't know why. neighbors say they're heartbroken t

trade the local farm workers union is demanding higher wages for these people go union official daniella your cavalli is looking into it receives cakes. for it yucca valley notes that edriss last employer paid him less than half the national minimum wage. bills period. was to start a bus. with such low wages they can't afford to pay rent and it's impossible for them to become integrated into italian society. because it is going to be very very abundant and many of them live illegally in abandoned houses in the countryside where they live in. ghettos near towns. i want to see where you treaty lives so i drive him home to an abandoned military airfield. migrant workers live in barracks and containers set up on what used to be the runway. music houses for people to for many. twenty dollars transit traffic people. get sick getters from migrant workers right in the middle of the european union. yet there's my place to serve. the richer get the q. e three see in noosa is corporate when a rock and a hard place he can't become part of european society and he can't go back to ghana where he would

. >> reporter: inspired by the cosmos, collette, ashley, charlotte, daniella, madison and mabel all tenld decided to aim for the stars and enter a nationwide science contest. their team name, the marfa martians. >> empowering, like young people, young women can do things like that too. >> reporter: if they won, their experiment would be performed on the i.s.s., the international space station, by real astronauts. but winning seemed like a long shot, more than 23,000 students were participating. many were in high school. cheri alweto is their science teacher. >> i was trying to prepare them for not going on, because they are young, they are very young. and they surprise me, every single time we go on to a next weep. >> reporter: the girls even surprised themselves. trying to find a way to kill bacteria in space. >> two milliliters of the sterile solution. >> in the first one we are about to have bacteria called bacillus subtilis. >> reporter: what is it called? >> bacillus subtilis. >> reporter: the judges at the smithsonian air and space museum were impressed and picked the experiment t