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Barack Obama made a surprise appearance at Michelle Obama's book tour in Washington, comparing himself to Jay-Z at a Beyonce concert.The former president showed up with a bouquet of flowers during the promotional event for his wife's memoir, "Becoming," in the nation's capital on Saturday night."This is like - you know when Jay-Z comes out during the Beyonce concert? ... Like, Crazy in Love?" he said, referring to instances when the rapper appears at his wife's concerts during performances of her famous song. "It's the same thing. It's just a little sample to enhance the concert."When the former president appeared on stage, an audience member yelled, "we miss you!" as the crowd cheered.The event was moderated by former White House adviser Valerie Jarrett. Michelle Obama talked about their life post-White House, and how they are taking a step back to reflect on what they accomplished."We haven't had much time to reflect over these eight years because we were so busy doing and so busy trying to be perfect, and to get everything right that rarely did we have time to sit back and acknowledge what we've done," she said."And I was able to do that with my husband just the other night. And just look at him and say, 'man, man you did this. You did this. You did one of the hardest jobs on the planet.'"Before former President Obama took the stage, his wife expressed frustration at today's heightened state of political discourse and said she sometimes wishes her husband would say something."There are so many times where I just want him -- like, I know, all of you - to just curse them out. Just say these things. And he's like, 'well, that's not the point. You know, the president isn't the president for his own ego. The president is the president for the entire country. So we have to be very mindful of what we say and how we say it.'"Comparing her husband's administration to that of President Donald Trump, Michelle Obama talked about the stark differences between the two."And the question that we have to ask ourselves is which feels better? You know, what world do we want to live in? What world do we want our kids to grow up in?"The former first lady has made several references to Trump in her memoir. In the book, she said she would "never forgive" him for his role in the "birther" conspiracy theory that falsely claimed her husband was not born in the United States. Trump's central role in pushing the falsehood put her family at risk, she writes.Trump pushed back last week, saying her accusations are meant to generate headlines."She got paid a lot of money to write a book and they always expect a little controversy," Trump said. 2670

Beyond the beaches of the world, lies the potential for oceans of energy."I'm very excited about this because it's a very renewable energy-based technology,” said Professor Bruce Logan of Penn State University.Logan and university researchers recently created a device that removes salt from seawater in a cheaper way, allowing that water to then be used to create a renewable form of hydrogen fuel.“There's a lot of interest in renewable hydrogen,” Logan said. “Most of the hydrogen made today is made from fossil fuels, and so, we're interested in making that hydrogen from water.”That involves splitting water molecules into oxygen and hydrogen. The problem? Seawater also has salt, which needs to be removed first and that’s expensive to do.However, the “seawater electrolyzer” that Logan and his team worked on takes care of that issue cheaply by using a special membrane and without requiring expensive desalination plants. The findings were recently published in the Journal of Energy and Environmental Science.“Hydrogen is a great fuel,” he said. “It's been examined as a fuel for many decades now.”About 97 percent of all the water on earth is in the ocean, which means if it could be used efficiently to make hydrogen fuel, it could be a game-changer.“As we look to de-carbonize our fossil fuel infrastructure, we also can use it primarily for heavy-duty vehicles,” Logan said. “Airbus is looking to actually make airplanes that fly on hydrogen.”For now, though, their device would need to be scaled-up to a much larger version.“There are many nations and companies and nations across the world looking to do this. One of the biggest proposed hydrogen plants is in Saudi Arabia -- billion,” Logan said. “I would hope to convince them that it might be cheaper and better to use seawater directly, you know, in a system like this.”It’s a possibility that might one day create a bridge between our energy needs on land and the power in the sea. 1962

Bob Woodward had my quotes for many months. If he thought they were so bad or dangerous, why didn’t he immediately report them in an effort to save lives? Didn’t he have an obligation to do so? No, because he knew they were good and proper answers. Calm, no panic!— Donald J. Trump (@realDonaldTrump) September 10, 2020 327

Blockbuster founder Wayne Huizenga has died. He was the only entrepreneur to create three different Fortune 500 companies during his career -- Blockbuster video, Waste Management and AutoNation.At one time, Huizenga, 80, had owned three sports teams where he lived in South Florida -- the Florida Marlins, the Florida Panthers and the Miami Dolphins. He was worth .8 billion, according to Forbes."He had a magic ability to create a business that was unmatched," said AutoNation CEO Mike Jackson, who confirmed the death. "Ideas were exploding in his head. He was bound and determined to out entrepreneur every other entrepreneur."Huizenga was awarded expansion franchises to bring both the National Hockey League and Major League Baseball to Miami in 1993. The following year he purchased the Miami Dolphins. While he owned the three sports teams at the same time, he didn't run all three major companies simultaneously. Instead he would sell one company and move onto the next idea he had."He started out on the back of a garbage truck in Fort Lauderdale. Then he bought a truck, and eventually he created Waste Management," said Jackson. "Then he rented a video and decided he could do better and next thing you know he was opening up Blockbuster store a day. Then he sold that to Viacom and decided there had to be a better way to buy a car and he created AutoNation."Blockbuster closed all of its stores in four years ago as consumers shifted to streaming and on demand video, but his other two companies remain dominant players in their respective fields. Waste Management is the leading provider of refuse and recycling services in North America, and AutoNation is the largest US auto dealership chain.  1724

Britain's Princess Eugenie has married Jack Brooksbank in Windsor's second royal wedding of the year.The ceremony took place in St. George's Chapel, which also hosted the wedding of Harry and Meghan Markle, now the Duke and Duchess of Sussex, in May.Pixie Geldof, British model, singer and third daughter of Irish singer-songwriter Bob Geldof and the late television presenter Paula Yates, was among the early arrivals at the chapel on a windy but sunny fall morning.A wide variety of colors were on display, from autumnal maroons to pastel shades. Several women struggled to hold on to their hats as a strong wind whipped across the grounds of Windsor Castle.Model and actress Cara Delevingne arrived at the castle in a suit and top hat, while actress Demi Moore selected a dark red dress by Stella McCartney. Moore was accompanied by American florist and perfumer Eric Buterbaugh, with whom she has been friends for many years.American actress Liv Tyler, who arrived with Dave Gardner, chose a midnight tailored suit with midnight velvet pumps and a black velvet box clutch by Stella McCartney, a headdress by Stephen Jones and jewelry by Van Cleef & Arpels.Naomi Campbell was seen wearing a metallic black ombré cocktail dress and cropped cape, featuring hand-woven silk tulle tweed by Ralph & Russo.Robbie Williams, British singer and former member of pop group Take That, was spotted arriving at Windsor with his wife and fellow X-Factor judge Ayda Field. They have been friends of Eugenie and her sister Beatrice for years and their daughter Theodora is a bridesmaid at the ceremony.British artist Tracy Emin, comedian and writer Stephen Fry, and singer Ellie Goulding also took their places in the chapel in the run-up to the ceremony, as did many members of the royal family, including the Duke and Duchess of Sussex and Duke and Duchess of Cambridge.The former Kate Middleton, now the Duchess of Cambridge, wore a long-sleeved red gown by Alexander McQueen.Brooksbank works as a brand ambassador for Casamigos tequila, which was co-founded by actor George Clooney, property developer Mike Meldman and Rande Gerber, the entrepreneur husband of supermodel Cindy Crawford.Eugenie, 28, is the younger daughter of Prince Andrew, Queen Elizabeth II's third child, and Sarah, Duchess of York. She is ninth in line to the throne and works as the director of the Hauser & Wirth art gallery in London.While she has not attracted anything like the global attention bestowed upon her cousin Harry and his American bride, Eugenie's wedding is not a small, or cheap, affair.More than 800 guests gathered in the Gothic chapel for the ceremony at 11 a.m. (6 a.m. ET), 200 more than were invited to watch the Duke and Duchess marry.The Queen, Prince Philip and most of the royals were in attendance, with Eugenie's sister Beatrice taking on the role of maid of honor. Thomas Brooksbank, the groom's younger brother, was the best man.The one notable absence was the Duchess of Cornwall, the wife of Prince Charles, who is attending a longstanding engagement at a Scottish school.Prince George and Princess Charlotte -- the two oldest children of William and Catherine, the Duke and Duchess of Cambridge -- both have official roles at the wedding. George, 5, who is third in line to the throne, is a page boy and his 3-year-old sister is one of six bridesmaids.The Princess first met her fiancé on a ski trip near Verbier in the Swiss Alps. Brooksbank proposed during a vacation in Nicaragua last winter.The wedding service featured a personal prayer by Archbishop of York John Sentamu, while David Conner, the Dean of Windsor, gave the address and is officiating.Opera singer Andrea Bocelli and members of the Royal Philharmonic Orchestra performed at the wedding, and a fanfare was played by trumpeters from the band of the Household Cavalry.As the couple depart the chapel, the steps will be lined with members of the Grenadier Guards. Prince Andrew, is a colonel with the guards.The newlyweds will leave in a carriage procession through Windsor, though the route will be far shorter than the one taken by the Duke and Duchess of Sussex. The cost of security will be borne by the taxpayer, which has raised concerns among republicans who note that the Princess does not carry out official royal duties on behalf of the Queen.The Queen will host an afternoon reception in St. George's Hall, with more celebrations planned for the evening at Royal Lodge, the York family home in Windsor Great Park.The-CNN-Wire 4521