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Presumptive Democratic presidential nominee Joe Biden will participated in a virtual roundtable with the Service Employees International Union, a day after he laid out the third tier of his “Build Back Better” economic policy plan.On Tuesday, Biden spoke about his 5 billion plan to support working families, childcare and educators. He suggested rolling back tax breaks for real estate investors with incomes over 0,000 and taking steps to increase tax compliance for high-income earnings.Recent polls show Biden extending his lead over President Donald Trump. A Fox News poll released on Sunday found Biden leading Trump by eight points, while and ABC/Washington Post poll found Biden leading Trump by 15 points.Watch Biden's event in the video below. 767

Researchers at the University at Buffalo say they've developed a low-cost new technology that can identify whether drugs are present. They believe the chemical-sensing chip could someday test someone or something for cocaine, marijuana or opioids just as quickly and cheaply as a breathalyzer tests for alcohol. 324

Public school districts across the country have been dealing with a teacher shortage. When the COVID-19 pandemic hit, administrators had to think outside the box when it came to hiring. "This year, in March, when we all went to distance learning, we pretty much canceled all the recruiting face-to-face events. We already planned and pivoted to going full-steam on virtual events," said Jessica Solano, the Teacher Engagement Leader for Polk County Public Schools in Florida. Solano says her district had been boosting their virtual platform before the pandemic so when it hit, they were ready to switch all of their teacher recruitment to online. What they found surprised them."What is so ironic is we actually had our best year yet by doing such an active push on virtual recruiting. Even our district career fair that we traditionally host every year face to face. The year before we had over 350 people attend, which was fantastic and it definitely hit high numbers, but this year we had 700 people attend," said Solano. Because the teacher career fair became virtual, the district was able to reach a larger pool of candidates. Candidates that normally require lots of travel and marketing to get.At Denver Public Schools, Executive Director of Talent Katie Clymer says recruiting during a pandemic and a teacher shortage was challenging at first. "We have a very targeted teacher shortage. If I can speak bluntly, we’ve got lots of elementary teachers. We do not have Spanish-speaking teachers, so our ELS positions. We do not have math teachers. We do not have enough science teachers and we do not have enough teachers of color who represent our students and family," said Clymer.Going virtual with recruiting also allowed districts to save money on travel costs, as they often have to hop on a place to find the exact teachers they need. "We saw a higher level of candidate engagement because this was the option to engage in a hiring fair. Whereas previously if you have the option to attend in person or virtual, you're more likely to attend in person whereas when virtual is the virtual is the only option, we saw a higher level of candidate engagement and subsequent follow up," said Clymer.Many public school districts also rely on a number of retired teachers to help them throughout the school year. "We often see our retired educators coming back as hourly teachers or substitute teachers. They play a really critical role in continuing to support our students and they're highly sought after by our schools as guest teachers or substitute teachers," said Clymer.This year, though, Denver Public Schools is expecting less retirees will return to the classroom as a majority are considered high risk for contracting COVID-19. Still, the district and Polk County Public Schools report a majority of their teaching positions have been filled for the new school year, largely in part to a boost in virtual recruiting. 2939

President Donald Trump told reporters aboard Air Force One on Friday that he plans on banning popular social media application TikTok in the US.According to White House pool reports, Trump said, “I have that authority. I can do it with an executive order or that.”“As far as TikTok is concerned we’re banning them from the United States,” Trump told the reporters. Trump added that he planned to take action against the popular video-sharing app as soon as Saturday.Earlier on Friday, Bloomberg reported that Trump was planning on forcing TikTok’s parent company ByteDance to sell the company. The company is based in China, a country Trump has ramped up tensions with amid the coronavirus pandemic.But Trump indicated to reporters on Friday that he is not in favor of allowing a sale of the company to an American-based company.The popular social media application has gained popularity among younger Americans in recent months. The application allows users to share short video clips, often accompanied with music. Users of the application orchestrated a campaign to Trump's first rally during the coronavirus pandemic in June in Tulsa to reserve tickets and not show up, which prompted lower-than-expected attendance numbers. The Trump administration has complained that the application takes data and is used by the Chinese government. "All the things that you care that you want to make sure the Chinese Communist Party doesn’t have, we have a responsibility to make sure that the systems that you’re using don’t give them access to that," US Secretary of State Mike Pompeo said last week. 1603

President Trump has removed Rex Tillerson as his Secretary of State, replacing him with CIA head Mike Pompeo.CIA Deputy Director Gina Haspel will replace Pompeo as the head of the CIA."Mike Pompeo, Director of the CIA, will become our new Secretary of State. He will do a fantastic job! Thank you to Rex Tillerson for his service! Gina Haspel will become the new Director of the CIA, and the first woman so chosen. Congratulations to all!" President Trump tweeted Tuesday morning.  494

来源：资阳报