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With one week until election day, the campaigns for President Donald Trump and Democratic presidential nominee are hitting the trail with full force, as the candidates and their surrogates crisscross the country to make their final pitch to voters.And based on Tuesday's campaign stops, it appears Trump is playing defense while Biden is playing offense.Trump has an extremely packed campaign schedule on Tuesday with three planned rallies in Michigan, Wisconsin and in Omaha, Nebraska — all states and districts that Trump won in 2016, and likely needs to carry in 2020 if he hopes to win again.On the Democratic side, Biden will be making two campaign appearances in Georgia — a state that has voted for a Republican in the last six presidential elections. However, polls show that that the Peach State is a toss-up this year, and a Biden win in what has been a Republican stronghold could cause Trump's electoral map to crumble.Top aides for the candidates will also be out in full force on Tuesday. First lady Melania Trump — who rarely appears solo on the campaign trail — will deliver a stump speech in the key battleground state of Pennsylvania at 2 p.m. ET. Pennsylvania is one of the "Blue Wall" states that Trump flipped in the 2016 election, but recent polls show the state leaning toward Biden this year.Last week, Melania Trump canceled a scheduled campaign to Pennsylvania because of a "lingering" cough following her and her husband's COVID-19 diagnosis earlier this month.Former President Barack Obama also returned to the campaign trail on Tuesday, attending a drive-in event in the key battleground state of Florida.While campaigning for Biden, Obama decried Republicans' attempts to dismantle his landmark legislation — the Affordable Care Act — while simultaneously promising a replacement plan that has yet to materialize.Obama also hit the Trump administration for their response to the COVID-19 pandemic, particularly for holding what proved to be a "superspreader" event while celebrating the Supreme Court nomination of Amy Coney Barett.“I lived in the White House ... You know, it's a controlled environment. You can take some preventive measures in the White House to avoid getting sick," Obama said. "Except this guy (Trump) can't seem to do it. He's turned the White House into a hot zone."Obama also slammed Trump's foreign policy agenda, criticizing him for his embrace of dictators like Vladimir Putin and Kim Jong Un."You think he's going to stand up to dictators? He thinks Lesley Stahl is a bully," Obama said, referencing Trump's decision to walk away from a "60 Minutes" interview last week.After watching the 2020 primary race from the sideline, Obama has thrown his full weight behind Biden and made several campaign appearances in recent days. 2791

— a climate think tank based in Melbourne, Australia — says that human civilization is at risk of collapsing by 2050 due to climate change. The report has been endorsed by a former Australian defense chief and senior royal navy commander.The analysis says 257

You can help NASA discover new planets.On Wednesday, the agency announced its new website called Planet Patrol, where astronomers can hunt down new worlds, with the public's help.NASA said they’d sort through images collected by NASA’s Transiting Exoplanet Survey Satellite or TESS for short.“Automated methods of processing TESS data sometimes fail to catch imposters that look like exoplanets,” said project leader Veselin Kostov in a press release. “The human eye is extremely good at spotting such imposters, and we need citizen scientists to help us distinguish between the look-alikes and genuine planets.”TESS captured hundreds of thousands of snapshots over a year, but scientists need help because there are too many pictures to examine.Kostov said that computers are excellent at analyzing data, but sometimes fail to determine potential planets from fakes.Participants will answer questions as they sift through the images to help Kostov and his team of researchers narrow down the list of potential planets. 1027

-- are helping neighborhoods recover from this month's tornado outbreak in Middle Tennessee.The hardest hit parts of north Nashville are blocked off by police except by those who really need to be there. But what's happening behind the barrier is amazing. Volunteers come in all shapes and sizes and they are making a real difference. Whether it is serving up burgers or hauling away the bag after hefty bag of debris. A group of students from Oak Hill School are all in on the clean up effort."We came out her to help the community," Hine McGuigan said. It's a sentiment echoed by his sister Mary. "When we are serving or giving clothes to people who don't have much it just makes us feel better because giving is better than receiving," said Mary. Reverend Curtis Bryant of Greater Heights Missionary Baptist Church is only too glad for the help. His neighborhood there at 14th Avenue North and Cockrill Street was hard hit by the tornadoes, and friends are hurting.Reverend Bryant turned his church into a supply depot and rest stop for volunteers and storm victims alike. "We're getting what we need: gasoline, hot dogs, hamburgers and more love," said Bryant. He said volunteers topped out at over one-thousand last week, but things have improved dramatically. Now the volunteer army is down to three-hundred, many of them youngsters."It's sad how much people in our community have lost. Like their homes and everything they own," fifth grader Patrick Pritchartt said.For the students, it's like a field trip into the real world, a chance to help and learn."They are getting a first hand knowledge of what it means to serve others," Reverend Bryant said. "They have started to reach beyond themselves and out to others and the power and the energy is just amazing."This story was originally published by Nick Beres at WTVF. 1830

-- Cooper told the impeachment committees she came to had learned over the summer that US assistance to Ukraine was being held up for reasons that weren't entirely clear.In her role as deputy assistant secretary of defense for Russia, Ukraine and Eurasia, Cooper helped orchestrate US strategy for bolstering Ukraine's military, a bulwark against Russia. She played a coordinating role in managing the financial and military assistance Congress approved -- and participated in meetings when the aid was held.She testified that some fellow officials had raised questions about whether the hold was legal.A detail she revealed in her private interview undercut a key argument from the White House: that there could be no "quid pro quo" if the Ukrainians didn't know the aid was frozen. She says she had a "very strong inference" they did know.Hale, her partner in Wednesday's hearing, will offer more details about the ouster of Marie Yovanovitch, the onetime US ambassador to Ukraine. The number-three official at the State Department, he testified privately earlier this month that he had advocated for Yovanovitch as Giuliani was orchestrating a smear campaign against her. But ultimately he did not push for a public statement of support.A number of State Department officials have testified so far in the public hearings, but Hale is the most senior. A career foreign service officer, he told lawmakers during his earlier deposition that the judgment from senior State Department officials was that a statement supporting Yovanovitch would only worsen the situation."It would be better for everyone, including the ambassador, to try to just move past this," he said. 1670