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COMPTON, Calif. – Dr. Keith Claybrook says he'll never forget the way he felt when a national guardsman was stationed near his backyard in Compton During the 1992 Los Angeles riots.The uprising happened after a jury acquitted four L.A. police officers in the caught-on-camera beating of Rodney King, a Black man.“I have vivid memories of a national guardsman being posted on the roof. Here’s a national guardsman, looking over the side of a building, automatic weapon in hand, as far as I’m concerned, 13 years old, staring at my dad and I. Why are you standing on this roof looking at a man and his son doing lawn maintenance?” asked Claybrook.Shades of ’92 -- that’s all Keith says he sees this year, especially in Portland.“In my experiences, and in my studies, and in my conversation with other people, the presence of law enforcement in general, and the presence of other, you know the national guard, forces like that, it doesn’t do anything but escalate the situation," said Claybrook.Federal forces have been used in the past on U.S. soil for a variety of reasons.We found more than 10 examples in the last 100 years. From dispersing protesters after World War I in Washington D.C., to integrating schools in the south in 1950s and ‘60s, to the Los Angeles Riots in 1992."It is rare, and it's usually used in extraordinary circumstances," said Kevin Baron, the founder of Defense One, an online publication focusing on national security, foreign policy and the U.S. military.He says there are some big differences between what happened in Portland, and what happened in some of these other instances."At least in L.A., for example, the U.S. soldiers and National Guard were asked to come in and bring peace and deter further rioting and violence that was happening," said Barron.In the case of Portland, the mayor, and the governor of Oregon have been on record several times saying they did not want federal law enforcement involved.“No one knew who these people were originally. Right? It was these, people who suddenly arrived dressed in camouflage, military uniforms, with very little markings indicating who they are,” said Ian Farrell, a professor at the University of Denver Sturm College of Law.His main focus teaching is constitutional and criminal law. He says while people were confused at first, there was legal basis for the officers to be in Portland."There is a section of the U.S. federal code that authorizes homeland security, get employees of homeland security and have them protect federal property and the people on federal property," said Farrell.There are other things about what happened in Portland that stand out as well.“They seem to be essentially abducting people off the streets,” said Farrell."The image of them as militarized, wearing combat fatigues, without insignia using rental cars and unmarked vehicles," said Barron.“Individuals walking on the streets and a minivan would pull up and these camouflaged, officers, as it turned out, would just grab them and put them in the minivan and drive off,” said Farrell.U.S. Customs and Border Patrol said in a statement its agents did in fact pick up protesters in vans, but did so for the safety of everyone.As of July 31, federal law enforcement had arrested at least 25 protestors in Portland.Claybrook says while they are differences between Portland in 2020 and L.A. in 1992, it’s the similarities that stick out to him.“I’m still questioning what law of the land is being enforced in 2020. I don’t know, to bring in that level of policing,” said Claybrook. 3557

Comedian Jim Carrey will appear as Democratic presidential nominee Joe Biden this season on "Saturday Night Live.""SNL" released a promo of Carrey and Maya Rudolph, who's playing Democratic vice president nominee Kamala Harris, via Twitter on Thursday. 260

Cooled to negative 320 degrees, using liquid nitrogen cooled food has become a trendy and cool way of eating. But eating products so cold comes with risks. On Thursday, the FDA issued a warning for foods cooled by liquid nitrogen. The FDA says consuming products marketed as "Dragon’s Breath," "Heaven’s Breath," "nitro puff," among others could cause serious injury. Liquid nitrogen quickly freezes food, but even after the liquid has completely boiled into a gas, the extreme cold of the food and the displacement of oxygen could cause health concerns. "The FDA has become aware of severe -- and in some cases, life-threatening -- injuries, such as damage to skin and internal organs caused by liquid nitrogen still present in the food or drink," the FDA said in a statement. "There has also been a report of difficulty breathing after inhaling the vapor released by liquid nitrogen when added immediately before consumption. Injuries have occurred from handling or eating products prepared by adding liquid nitrogen immediately before consumption, even after the liquid nitrogen has fully evaporated due to the extremely low temperature of the food."The FDA's warning does not extend to all foods cooled by liquid nitrogen. "Other foods treated with liquid nitrogen prior to the point of sale and before consumption, for example some frozen confections, are treated in such a way that results in the complete evaporation of liquid nitrogen before reaching the consumer and are no longer at an extremely low temperature, and therefore do not pose a significant risk of injury," the FDA says. 1646

COVID-19 isn't the only concern with the upcoming election.The FBI and Department of Homeland Security are warning local governments about possible ransomware attacks, something like malicious software blocking officials from access to voting systems.Experts think that is more of a likely scenario than altering actual votes.“The only way to ensure confidence is to demonstrate that you've done everything you possibly can to facilitate that safe and secure election,” said Maya Worman, Executive Director of Election Cyber Surge Initiative.The initiative is led by the University of Chicago. It’s pairing local election officials with volunteer cyber security experts to address specific areas of cyber security concerns.“And the biggie, I think, is human error, user error, whether that is accidentally sending sensitive information to the wrong person, not having a strong password management system, sharing passwords,” said Worman.The pandemic is adding further complications, with just more than 90 days to go.Worman says they felt the urgency to be proactive in helping election officials.“Now, we’ve got so many people working from home on their own devices,” said Worman. “An organization has no insight into what the security around your home, Wi-Fi or home devices, is.”This free resource is invaluable for elections. Some states rely on staff or federal assistance for cybersecurity. Others pay private companies.The pandemic could mean a reduction in volunteers, a new need for PPE and an influx of absentee ballots. 1538

COVID-19 didn’t stop being a threat because of the court ruling, because we’re tired of it, or because the legislature left town. We all have to do our part, because when it comes to fighting this virus, we are all in this together. pic.twitter.com/5LQwXO9UYi— Governor Gretchen Whitmer (@GovWhitmer) October 6, 2020 324

来源：资阳报