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Joe Biden has formally clinched the Democratic presidential nomination, setting him up for a bruising challenge to President Donald Trump that will play out against the unprecedented backdrop of a pandemic, economic collapse and civil unrest. The former vice president has effectively been his party’s leader since his last challenger in the Democratic primary, Bernie Sanders, ended his campaign in April. But Biden pulled together the 1,991 delegates needed to become the nominee after seven states and the District of Columbia held presidential primaries Tuesday. Biden reached the threshold three days after the primaries because several states, overwhelmed by huge increases in mail ballots, took days to tabulate results.Heading into Super Tuesday, Biden was the underdog. He lost contests in Iowa, New Hampshire and Nevada and was struggling to fundraise. Then, Biden scored a huge win in South Carolina on February 29, thanks in large part to endorsements and support from prominent black Democrats in the state. Following the South Carolina race, opponents Pete Buttigieg and Amy Klobuchar dropped out of the race and endorsed Biden. Biden was able to parlay his success in South Carolina into a massive Super Tuesday which catapulted the former vice president from underdog to favorite overnight. As the spread of COVID-19 forced Biden and opponent Bernie Sanders off the campaign trail, Sanders opted to drop out after the Wisconsin primary, leaving Biden standing alone.Biden will formally be nominated in August at the Democratic National Convention. The convention is slated to be held in Milwaukee, but it’s unknown if the coronavirus could interfere with having an in-person event. Biden issued the following statement late Friday:A little more than three months ago I stood on stage in South Carolina and told the American people that ours was a campaign for everyone who has been knocked down, counted out, and left behind. Those words take on an ever greater resonance today, at a time when so many Americans are hurting and have suffered so much loss. So many feel knocked down by the public health and economic crisis we are weathering. So many feel counted out and left behind by a society that has for too long viewed them as less than equal, their lives as less than precious.This is a difficult time in America’s history. And Donald Trump’s angry, divisive politics is no answer. The country is crying out for leadership. Leadership that can unite us. Leadership that can bring us together. We need an economy that works for everyone — now. We need jobs that bring dignity — now. We need equal justice — and equal opportunities — for every American now. We need a president who cares about helping us heal — now. It was an honor to compete alongside one of the most talented groups of candidates the Democratic party has ever fielded — and I am proud to say that we are going into this general election a united party. I am going to spend every day between now and November 3rd fighting to earn the votes of Americans all across this great country so that, together, we can win the battle for the soul of this nation, and make sure that as we rebuild our economy, everyone comes along. Today, I’m once again asking every American who feels knocked down, counted out, and left behind, to join our campaign. Because we aren't just building the movement that will defeat Donald Trump, we are building the movement that will transform our nation. I truly believe that when we stand together, finally, as One America, we will rise stronger than before. This is the United States of America. There is nothing we can’t do, if we do it together. 3674

In recent years, the recycling industry has taken a big hit.John Griffith with GFL Environmental in Denver, Colorado says the cost to recycle has gone up, and there’s more pressure to make sure what’s being recycled isn’t contaminated with trash.“We process probably 30 tons an hour,” Griffith said.Considering how much material the recycling facility takes in per day, low-cost efficiency is key, and technology has become its saving grace.“We’re using robotics and artificial intelligence to help deal with some of the primary challenges within the recycling facility,” AMP Robotics CEO Matanya Horowitz said.Created by AMP Robotics founder Matanya Horowitz, AMP Cortex is a high-speed robotics system guided by artificial intelligence.Here’s how it works: the brains and the eyes of the robot are at the top. As material passes below, its smart vision is able to pick out specific items to take out of the stream. Using its light-weight arms and rapid speed, a suction cup picks those objects up, and moves them to a different bin.“It’s very similar to just taking a vacuum cleaner you might have at home and putting it against a can and picking it up that way,” Horowitz said.The robot’s “smart vision” means it’s always learning new information. “This vision system is also connected with all the other robots across the country. So as one robot learns in a different part of the country or a different region, it also educates all the other robots so they’re constantly getting smarter,” Griffith said.However, the robot doesn’t work alone.“You could say these are the co-workers of our robot,” Griffith said as he passed human workers.Humans are still needed in the recycling process, but the robot has been able to take on sorting challenges that would otherwise be unsafe for people.“For obvious reasons, they don’t really mind getting stuck with hypodermic needles, or sifting through all the nasty stuff that ends up in the recycling like diapers, and so we can help move the manual sorter further away from these hazards,” Horowitz said.The robot at GFL Environmental is focusing its efforts on picking out items like milk jugs, coffee cups and margarine tubs. The materials were formerly considered trash, but now they can be put to valuable use and sold somewhere as another recyclable.“Our goal is to maximize the breadth of the recycling program, and by doing so, divert as much waste from the landfills into valuable purposes as possible,” Griffith said.Thanks to the robots, GFL Environmental is one of the first in the nation to recycle coffee cups. As more robots continue to deploy across the country, it’s clear artificial intelligence is helping to transform the recycling industry. Matanya says they’re efficient workers, but they’re also providing more transparency and data in the industry that has been historically difficult to obtain until now.“There hasn’t really been a sensor, or any means of automatically detecting how well things are working, where things are breaking down, where materials are ending up in the wrong spot. Artificial intelligence can do all that,” Horowitz said. 3127

Independence Day temperatures will continue the heat wave in the nation's northernmost state. Across south Alaska, mercury is expected to rise to record or near-record levels on the nation's birthday and continue at above-average levels through next week, the 272

Iran's stockpiles of enriched low-grade uranium have exceeded the 300-kilogram limit set in a landmark 2015 nuclear deal, Foreign Minister Javad Zarif said on Monday according to the state-run IRNA news outlet.The move is thought to be Tehran's first major breach of the accord since US President Donald Trump withdrew from the agreement last year. The deal limited Iran's uranium enrichment in exchange for an easing of international sanctions.Zarif is one of the chief architects of the deal. Foreign Ministry Spokesperson Abbas Mousavi said Tehran's latest moves were reversible."We told the Europeans that if more practical, mature and complete measures were taken, Iran's reduction (to its) commitments could be reversed. Otherwise, we will continue," Mousavi said.Iran had threatened to surpass the maximum permitted amount of enriched uranium in retaliation to crippling US economic sanctions. During talks in Vienna Friday, European countries still party to the deal made a last-ditch effort to persuade Iran to back off from plans to breach the limit.Inspectors from the global nuclear watchdog, the International Atomic Energy Agency, are on the ground in Iran and are expected to report on the stockpiles."We are aware of the media reports related to Iran's stockpile of low-enriched uranium (LEU). Our inspectors are on the ground and they will report to headquarters as soon as the LEU stockpile has been verified," an IAEA spokesman said in an email to CNN.Iran said in May that it had quadrupled its production of low enriched uranium. The announcement ratcheted up tensions in the region and set off a series of provocative moves by the US and Iran.Last week, the US dispatched top-of-the-line F-22 stealth fighters to nearby Qatar. The deployment came a week after an Iranian surface-to-air missile shot down a US drone over the Strait of Hormuz, one of the world's most vital strategic shipping routes.Iran said the drone was in its airspace, but Washington said it was over international waters.The US has also blamed Iran for explosions on two oil tankers this month near the strait, as well as on four commercial ships off the coast of the United Arab Emirates last month. Iran has categorically denied responsibility for the ship attacks. 2272

If you recently waited in a crowded doctor’s office or you’ve called to make an appointment and were told the next slot available is in several weeks or months, you’ve already experienced the effects of America’s doctor shortage.It's become more common for doctors, like New Jersey urologist Dr. Thomas Mueller, to practice with a packed patient schedule."The amount of patients we see is borderline insane," Mueller says.“I'll be the first one to say I don’t think it’s the best thing in the world," he says. "The things that I do to combat it is I just invest a lot of time beforehand.”Mueller and the team of physicians at Delaware Valley Urology each see upward of 50-60 patients a day.And that’s still not enough. "With the baby boomers becoming, you know, in their 70s, there are a lot of people to be seen," the doctor says. "The overall structure of medicine, at least as far as training is concerned, they’ve never really increased the enrollment in medical schools.”Unless significant steps are taken, the Association of American Medical Colleges predicts the shortage is only going to get worse.“I think I am at my max (amount of patients)," Mueller says. "I don’t think I can do a whole lot more."To help with the issue, legislators are proposing several bills that would raise grant money for more medical residency slots, and to make it easier for foreign doctors to practice in the U.S.In addition, medical schools have increased scholarships. Some have even created specific residency slots for those willing to practice in rural areas.“There are folks who think that there is a shortage," says Dr. Bob Motley. "I think we have as much of a problem with the maldistribution.”Motley runs Thomas Jefferson University's Physician Shortage Area Program. “We have about 50% of all physicians in Pennsylvania that are actually clustered in three counties," he says. "But 75% of Pennsylvanians actually live outside those areas.”Motley’s program has graduated roughly 400 doctors, and almost 80 percent are now practicing in rural communities hit the hardest by this doctor shortage."There's a lot to be learned in health care and we definitely have not figured it out," Mueller says. "It’s not a broken system by any stretch of the imagination but it’s things that are ever changing. And I think everyone is striving to make it better.”In addition to seeing 50 to 60 patients a day, Mueller also trains residents to handle the patient load as it is now."It's not for the faint of heart," he says. "But at the same time we do it because we love it.” 2571

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