investigative reporter jaxon van derbeken tells us that same glitch could return with a vengeance after over the wet winter, bart experience day after day of system meltdown traced to a built-in braking problem with its new fleet of the future trains. when sensors detect a wheel slipping on wet rails, the emergency brakes kick in to slow the train down and prevent accidents. but the new fleet's emergency brakes also grind spots on the wheels unevenly causing what are called wheel flats, putting the entire train out of service. male: the delays are just par for the course at this point. and so i plan around it. jaxon: well, bart says its wet-weather nightmare is largely over at least until next winter. its braking problems aren't over with because the emergency braking system will be called on to stop trains quickly to protect passengers in a significant earthquake. jerry: it sounds like bart has a wholesale problem. jaxon: transportation consultant jerry cauthen is a 5-decade veteran of the public transit sector. he says emergency braking shouldn't create its own emergency. jerry: you w

in napa, jaxon van derbeken, nbc bay area news. >> if you have a story for our investigative unit, call88-996-tips or visit our website, nbcbay area.com investigations. >>> republican candidates will take the sdaj in simi valley. a deadline of monday has been set for candidates to meet the criteria. we are learning that doug burgum has qualified, joining ron desantis, vivek ramaswamy, nikki haley, tim scott of south carolina, former new jersey governor chris christie and mike pence. they have all qualified. but like the first debate, this one won't include former president donald trump. he remains a frontrunner in most polls. mr. trump is expected to travel to michigan to give a speech to striking auto workers. speaking of which, the auto workers strike is impacting new locations, that includes parts distribution centers for general motors and stellantis. workers are calling for higher wages and better benefits. pete buttigieg was asked what president biden is saying about those pay increase demands. >> the president said is that when you have record profit ms. profits in this industry,

. >> joining us now is investigative reporter jaxon van derbeken. i'm a bit confused here. what's illegal in all of this? is it the tastings itself or charging money for the tastings or tastings by appointment? >> reporter: well, you have several issues that are obviously going to be hashed out in court. but the current position of the county is that these tastings, what they call public tastings, or those tastings that she is offering violate the terms of her exemption, which allows her to do certain things if she produces fewer than 20,000 gallons of wine. there are other issues. she enjoys some benefits. the county just does not believe it applies when it comes to these tastings. >> i'm guessing these are relatively small wineries. there's two others that joined this lawsuit. what's the larger impact here, or is there a larger impact? >> reporter: well, the county says that they have these rules in place to keep the napa valley from becoming what they liken to disneyland, and they believe that the uses here in this particular case, which involve an animal sanctuary, ther

in san francisco, jaxon van derbeken nbc bay area news. >> that continues to be frustrating for homeowners you have a tip about the millennium tower or any other story, give us a call. you see the numbers on the screen. the investigative unit. you can submit visit our website nbcbayarea.com investigations. >>> the san francisco iconic pier 39 celebrating the 45th anniversary. cargo peer was transformed into a popular tourist destination in 1978. now the attraction is working to rebound from the pandemic and expects to see 12 million visitors this year. that is about 3 million done for me for the pandemic. executive say things are getting better and the. once again is becoming a vibrant spot in the city. the special event will be held saturday. to celebrate that it will include music, performers and a drone light show. >>> this is a special story for us.'s inference or skill winning hispanic heritage month and tonight the city presented the lifetime achievement award. reflect this year's recipient is a familiar face. or colleague is being honored over her career she has dedicated herself to