Wreckage that washed up on a remote beach that could solve one of the worlds great mysteries. It was a piece of a wing from a boeing 777, and theres only one of those missing in the world. Malaysia Airlines Flight 370. Nbcs bill neely is on that beach at reunion island, where the search is on for more pieces of this tragic puzzle. Reporter hope is alive here. French police are searching reunions beaches for more aircraft debris. Locals are making discoveries. Finding pieces of plastic taken in by police as evidence. The man who found the aircraft part and a battered suitcase here found Water Bottles from china and indonesia today. Half the missing planes passengers were chinese. I hope to find a lot more debris, he says, to help solve this mystery. But there is a problem. Well, the truth is there is every kind of junk on this beach. Something that looks like a machine part. This as well. This is a rubber ring from something. It could have fallen off a ship, off an aircraft. Off anything. Reporter police didnt appear to think much of todays discoveries. But they have carefully packed up the one vital piece of evidence, the aircraft wing flap, and shipped it to france to be analyzed. Investigators searched for more debris by air today, and we did too. Flying low along the coast where the ocean currents from the mh370 search zone end. But finding anything more here could be tough. There are 120 miles of coastline to search on this island alone. On a nearby island its more than 3,000. And there are two dozen islands in this area to search. These are extraordinary times on the normally quiet island. A volcano erupting just miles from where the islanders are trying to unlock the mystery of the mission plane. Bill neely, nbc news, reunion. In california the battle to stop the spread of wildfires is taking on new urgency. National guard helicopters are joining the effort as 8,000 firefighters battle 18 large fires. South of sacramento a small grass fire quickly grew out of control in one neighborhood, setting off propane tanks like giant firecrackers. Startling moments of crisis were getting a look at this evening as temperatures soar across the country. Several scary incidents involving children being left locked in hot cars. The latest in new jersey, where bystanders and police rescued a child and confronted the mother as cameras were rolling. Nbcs Stephanie Gosk reports. Reporter by the time a new Jersey Police officer busted into the car, the 2yearold was drenched in sweat, crying hysterically. Shes soaking wet. Reporter his mother returned with a full grocery cart and her other child. Is this your kid . You left her in the car. Sorry, sorry. No sorry. She could have died reporter the toddler is okay, while the mother has been charged with child endangerment. She says she left her son because he was sleeping. The temperature in a car can shoot up 20 degrees in just ten minutes. Yet somehow not all parents are getting the message. Whos the mother . Oh, my god. Reporter in oklahoma tuesday hannah sicondi says she left her 1yearold in the car for 45 minutes. I cant believe i did that reporter sicondis baby is fine. But she was charged with child abuse. Oklahoma is one of 19 states with laws against leaving children unattended in cars. There are four states so far that protect Good Samaritans who break into cars. But theres a push to do even more. We need to put a Huge Campaign together, get the auto industry, the government, all the Safety Advocates on the same page. Reporter theres already new technology. A car seat built with an alarm that sounds when the ignition is turned off. Even apps on our phones. Like the Smartphone App that im using right now, its called remember the kids. It use the phones gps to sense when im driving. When i stop driving, it deactivates. When you get out, the app sends you an alert. Reporter to some it may seem obvious. Who needs alarms . Who doesnt know that a car gets hot . For now the answer still is a lot of us. Stephanie gosk, nbc news, new york. A heartbreaking development in florida. The coast guard has decided to suspend the search for two missing teenaged boaters. They vanished a week ago off the coast during a fishing trip. Crews have searched exhaustively since then but have tragically come up emptyhanded. The families say they will continue a private search. Sometimes guarded Hillary Clinton threw the doors open widely today on the family finances, revealing she and former president clinton earned more than 23 million last year alone. The clintons wealth and how it reconciles with her Campaign Image has been a recurring topic in the race for president. Today she offered up eight years worth of tax returns and something else, arguably even more personal, a report on her health. Andrea mitchell reports. Reporter Hillary Clinton got personal today, opening the books on her tax returns and her medical history. On her finances, a recurring question for both clintons this year, she disclosed her tax returns since 2007. The clintons paid almost 44 million in federal taxes, a federal tax rate of 35. 7 . They paid nearly 14 million in state and local taxes, a combined overall tax rate of 45. 8 . Their charitable contributions totaled nearly 15 million, 10. 8 of their income. Last year clinton said she and her husband were dead broke when they left the white house. Clearly no longer. Their gross income for the eight years released, 140 million. In this Campaign Clinton has tried to recast herself as a populist, speaking for workingclass americans. Were going to have to stand up to the people who want to keep the deck stacked in favor of those at the top. Reporter as for her health, clinton, now 67, became the first candidate this year to issue a medical report. Although not her full medical records. In a letter her doctor wrote, shes in excellent physical condition and fit to serve as president of the united states. The letter reveals clinton has had three episodes since 2009 involving a deep vein thrombosis, a blood clot, for which she takes coumadin, a blood thinner. The most recent episode occurred after a fall that led to a concussion in 2012. A month later as she prepared to leave the state department i asked clinton if her health would be a factor if she ran for president. It doesnt factor in at all. I mean, that i have no doubt that im healthy enough and my staminas great enough and ill be fully recovered to do whatever i choose to do. Reporter the state Department Today released more Clinton Emails from her private server. Portions of 37 emails were classified after the fact as confidential for National Security reasons. Republicans immediately accused the Clinton Campaign of releasing all those tax returns and medical records to distract from this third batch of emails. Lester . All right, andrea, thank you. Now to my one on one with republican president ial candidate jeb bush. We sat down today in his home state of florida for a candid discussion about race in america, his states controversial stand your ground law, and how exactly donald trump has ended up leading in the polls. You just spoke to the urban league convention, a predominantly black audience. Let me read something to you from the latest nbc news poll. 12 of africanamericans, 25 of latinos have a favorable view of the republican party. Is it a perception problem or is this party fundamentally out of touch, tone deaf to minority communities . I think its a lack of interaction. I think its a perception problem for sure. Were seeing the hollowing out of the center in american politics. The left is angry. The right is angrier. You have deep divides. And a lot of people that are not as engaged in the political system look at both parties and go theyre not representing me. I think its important if youre going to aspire to be president of the united states, you should aspire to be president of all people. And i intend to continue to campaign in places that where im not preaching to the choir necessarily. You gave a very passionate speech about opportunity, about your accomplishments in hiring and diversity here. You never, in front of the a predominantly black audience, you never used the word race or racism. I talked about it, though. I talked about the vestiges. I quoted president obama about the vestiges of the past being real and still there and that we needed to be sensitive to that. You mentioned charleston, but as you have in the past you talked about it as an act of evil, which it certainly was. But you havent really framed it as an act of racism. It is an act of racism. It is. And i have said that. If you read the speech i gave, it was an acknowledgment that we have serious issues regarding race and division in this country and the way to solve it is not to talk about it, to create a grievance message, its to roll up ones sleeves and solve problems. There are those on the left who use your appearance today as an opportunity to remind people that the stand your ground law was signed under your administration. It was. Signed by you. Sponsored by a democrat. There have been studies that suggest that a disproportionate number of those cases have been used to justify the shooting of africanamericans. Looking back on how its laid out, how its played out, would you sign that law today . I would. As long as there was discretion, prosecutorial discretion, and more definition of how it was to be used. Look, the point of of the castle doctrine, of being home. And the point was that you dont chase someone, that you stand your ground. The debate coming up in a week. Donald trump will be on the stage as the leading candidate. Did you ever foresee a scenario in which you would be number two to donald trump in the first debate . Well, i didnt know where i was going to be. You figured youd be up i dont know. This is a long haul. So my focus is on what the world looks like in january going into the february caucuses and primaries. I was surprised that donald trump has surged. I think hes captured the deep frustration that people feel. I mean, i get that. I get the lack of rule of law, the sanctuary cities, the open borders, all those things hes in a very graphic way appealed to peoples anger about those things. And i think its important to be respectful of that, make the case we can fix these things, and over time the trump phenomenon will either succeed or fail based on his proposals. But you called it a phenomenon as if its something that the fact youre asking me about, it youre not asking about scott walker or other really qualified candidates, its definitely a phenomenon. Marco rubio will be on the stage, your protege. What if he hits you on something . Do you hit back . Im a big boy. Ill be showing up with my big boy pants on. You can see much more of my interview with jeb bush this sunday on meet the press. Still ahead here tonight, caught on camera. The shocking footage one woman found on her dash cam after leaving her car at the dealer for repairs. Do you know whats really happening to your car when youre not there . Also, the little boy with the whole world in his hands who inspired one of the biggest responses weve ever seen at nightly news. Were going t my scalp hurts. My hair hurts. This is what it can be like to have shingles. A painful, blistering, rash. 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Some people might leave about the fixes being done properly or maybe being overcharged, but what about someone taking your car without your knowledge, running errands, even running a red light . Wait till you see what one woman found. Nbcs Hallie Jackson shows us. Reporter when this car blew through a red light, the owner says she wasnt even behind the wheel. The driver a dealership employee. I expected them to treat it better than anybody else in the world would treat my car. Reporter after veronica pipes took her kia soul in for a radio repair, she says she was stunned to discover her dash cam captured all this. The employee, she says, stopping at his house, at the bank, mcdonalds, and sams club. Da bears. Reporter 200 miles total. Bartender off key and on camera. To me a test drive is going and driving a car, not going and doing personal errand runs. Reporter the colorado dealership has apologized to pipes, offering to pay for the mileage, any repairs, even to buy the car back. The employee who did the driving now fired. Its important to us that our Customers Trust us. Reporter auto experts point out test drives have to happen sometimes. The abnormal part of this would be what is captured on video given the appearance of personal use. Reporter so besides checking the mileage before bringing your car in for a fix, experts also recommend that you research the repair facility like you would your doctor, make a list of specific questions for the mechanic beforehand, and check the record with local Consumer Protection groups. This dealership has a sterling reputation, but to pipes the damage is done. Her radio still not fixed. I dont want to take my car back to them. Reporter the end of the road after a ride she never expected. Hallie jackson, nbc news, los angeles. Up next here tonight, developments in that lionkilling firestorm. Could the american hunter at the center of t when a moment spontaneously turns romantic, why pause to take a pill . 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His minnesota dental practice remains closed for now. After rio next year it will be three straight olympics in east asia, as beijing won the bid today to host the 2022 winter games, becoming the first city to host both a summer and winter olympics. When we come back