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Survivors of the deadly shooting rampage at a Parkland, Florida, high school are set to lead thousands Saturday in a March for Our Lives on Washington, delivering their impassioned pleas for stricter gun control law to the nation.PHOTOS: Students take part in 'March for our Lives' across the countryBuilding on the momentum of last week's National School Walkout, these members of a generation raised on gun violence have been rallying Americans around their cause while honoring the 17 students and faculty members killed on February 14 at Marjory Stoneman Douglas High School.The march starts at noon, with participants gathering on Pennsylvania Avenue near the US Capitol. 684

Teachers are spending a lot of their own money to make sure their students have everything they need. But two crafty teachers turned to their communities to help offset the cost of the supplies. Jennifer Boyle-Taurman had several boxes of school supplies to unpack for this school year. But they weren't supplied by her school nor purchased from her own pocket. The supplies were purchased by members of her community through her Amazon wish list. “It was very overwhelming,” Boyle-Taurman says. “In the best way.”Boyle-Tourman posted her wish list on social media, and not only did people start buying these items, but they went above and beyond. 675

TERRE HAUTE, Ind. (AP) — The United States has carried out its second federal execution this week, killing by lethal injection a Kansas man whose lawyers contended he had dementia. Wesley Ira Purkey was put to death Thursday at a prison in Terre Haute, Indiana. Purkey was convicted of kidnapping and killing a girl in Missouri and dismembering her body. He expressed remorse before his execution, saying he regretted the “pain and suffering” he caused. The victim's father says he hopes Purkey “rots in hell.” The Supreme Court cleared the way for Purkey's execution to take place just hours before. Another man, Daniel Lewis Lee, was put to death Tuesday, ending a 17-year hiatus on federal executions. Lee's execution went forward after its own late-night Supreme Court ruling allowing it to happen. 811

The auction house says it didn't know anything about it. The artist famously doesn't like to show his face. The buyer is a mystery. So, for that matter, is the seller.In the case of the "self-destructing Banksy", nothing adds up.The startling stunt at Sotheby's in London has set the art world aflame. The image of a girl reaching out for a red, heart-shaped balloon had just sold, for .4 million.Moments later, a shredder hidden inside the picture frame began to whirr, the canvas slid down, and at least part of it ended up in strips.Sotheby's claimed it had been "Banksy'd."The British street artist, famous for being faceless, is certainly well known for his stunts. In 2006 he secretly erected a life-size replica of a hooded Guantanamo Bay detainee inside a ride in the California Disneyland theme park. In 2013 he set up a stall selling his original artwork for in a New York market and filmed people passing by, convinced that because of the price, the works were fake.On Saturday, Banksy published a video on Instagram that purported to show how he built a paper shredder into the frame of the 2006 painting "Girl with a Balloon.""The urge to destroy is also a creative urge," Banksy wrote, citing Picasso.But the video didn't answer everyone's questions -- not least about the involvement of the auction house. 1334

Stocks are tanking, and the tech world's richest executives are losing billions.Amazon, Apple, Facebook and Google are getting hammered as investors sell their shares and retreat into safer territory.The founders, CEOs and top investors in those companies are losing money quickly.Amazon CEO Jeff Bezos has lost roughly billion since his net worth and peaked in early September at 8 billion, according to?the Bloomberg Billionaires Index. Amazon's stock (AMZN) has dropped more than 25% since then and is currently trading around ,500 a share, leaving Bezos with a 6 billion nest egg.It's not all bad news for him: Bezos is still the world's richest person.On Tuesday, Bezos and wife MacKenzie donated 0 million to two non profits that aim to end homelessness in America. It's part of the pair's pledge to donate? billion to fund existing nonprofits that help homeless families and to create a network of preschools in low-income communities.Facebook CEO Mark Zuckerberg's wealth is also taking a beating. He's lost roughly billionfrom his peak worth in late July and is now worth billion. He ranks as the seventh richest person in the world.Facebook has been rocked this year with a cascading series of problems, including a proliferation of hate speech on its platform, Russian political interference and the Cambridge Analytica data privacy scandal.Facebook's (FB) stock has lost 40% of its value since July and is currently trading around 0 a share. The company continues to struggle with?executive departures and damaging exposés.Like Bezos, Zuckerberg and his wife, Priscilla Chan,?have pledged 99% of their wealth to their organization for philanthropic needs. They also recently donated 4 million to another nonprofit.Microsoft founder Bill Gates, who still owns 1% of the tech company, has lost billion from his high in early October. He's still worth roughly  billion and ranks as the second richest person the world, according to Bloomberg. 2066