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Within hours of the school shooting in Broward County, Florida, computer experts discovered pro and anti-gun control tweets that appear to be linked to Russian bots.A bot is a computer program written to execute a series of commands that can, for example, post many tweets across many accounts nearly instantly.Some posts discovered by computer experts, and highlighted in stories on tech websites and The New York Times, were pro-gun control. Others were in support of gun rights. Experts familiar with the M.O. of other countries' fake tweets say taking sides isn't the point."I think disruption is really what they are going for. I think anytime that you can throw doubt or cast doubt and chaos into -- not just a nation -- but an ideological structure," said Sam Jay, a Metropolitan State University of Denver professor of Rhetoric.Jay said countries who post fake tweets in numbers such as those seen after the shooting in Florida like it when Americans are confused."Then it's quite easier to manipulate a much larger decision-making process such as elections," Jay said.Twitter found and removed thousands of fake accounts after the 2016 presidential election, the company said. Facebook turned over some 3,000 fake ads to Congress."So essentially what any person can do, a program (bot) can do. And of course the programs can do it so much more rapidly and have a much wider spread," said MSU Denver Computer Science professor Steve Beaty.Bots were also active during the controversy surrounding NFL players taking a knee during the national anthem to protest police brutality.Bots posted tweets using opposing hash tags like #boycottnfl or #takeaknee.Beaty said computer science researchers estimate 10 percent of tweets posted are not from real people or don't contain real information.On the low end, it’s estimated 6,000 tweets are sent every second. That works out to half a billion a day.Doing the math means there are more than 51 million fake tweets every day "A Twitter bot won't go through a web page. It won't actually go through Twitter's own application. It will go directly to the software behind Twitter," Beaty said.Beaty said determining what is a fake tweet or a tweet from an account that isn't a real person isn't impossible."See what else they posted. See how long they've been on. Often these Twitter bots have been on for a very short amount of time. They've been on for a day or two and then all of a sudden they've sent out a million things," he said.It is against Twitter and Facebook's policy to create fake accounts and both companies have pledged to crack down.Twitter said on Wednesday it was implementing additional changes.Twitter will ban users from simultaneously posting "identical or substantially similar content to multiple accounts."Users also will not be allowed to like, retweet or follow from several accounts at the same time, the company said. 2938

is a disease that can be fatal to dogs and spread to humans — and it's on the rise in the western United States.Leti Paoli's dog, Copper, battled health issues for several years. In the last year and a half, Copper was back to being the energetic dog Paoli remembered — until two weeks ago. Paoli's husband was in the backyard playing with Copper when he noticed Copper was walking with a stiff gait. He thought Copper had re-injured his back.After taking him to the veterinarian, they found out Copper was suffering from one of the early signs of leptospirosis."One of the first symptoms of leptospirosis is that they're drinking a ton of water, and then they go out and urinate, and sometimes they have urinary accidents because they're drinking so much water," said Dr. Laura Russell, chief emergency doctor at Colorado Veterinary Specialist & Animal ER in Littleton.Russell helped care for Copper. She says her office usually sees one to two cases of leptospirosis per year. This year, they've seen six.Russell's office isn't alone. 1043

With thousands of ballots left to count in Palm Beach County, the Supervisor of Elections Canvassing Board met Friday morning.Some voters didn’t properly fill out their ballot correctly, causing delays to occur. Some voters circled their choice or drew an arrow pointing at the candidate’s name.RELATED:?Gov. Rick Scott seeks state probe, lawsuit over ballots  Trump says Palm Beach, Broward counties have "horrible history"Election workers are going through each of those ballots by hand to figure out voter intent. If they can figure out who the voter meant to choose, a worker fills out a new ballot on their behalfIf workers can’t determine what the voter was trying to choose, the ballot is sent to the canvassing board for review.The meeting at the tabulation center in Riviera Beach began at 10 a.m. 839

-- and loudly trumpeted -- with the young despotic leader remains intact, the President insisted.And the summit ended amicably, without either man storming away."It was a very friendly walk," Trump said.'Closer'Still, the absence of a joint agreement reflects an anticlimax for a summit event Trump had hoped would prove naysayers of his diplomacy wrong.He conceded that US and North Korean officials remain at odds about the precise definition of denuclearization, which is the ostensible goal of his efforts."He has a certain vision and it's not exactly our vision, but it's a lot closer than it was a year ago and I think eventually we'll get there," Trump said.And he described Kim as singularly focused on ending the sanctions that have crippled his economy and helped bring him to the negotiating table in the first place.Trump said Kim had offered to begin dismantling the Yongbyon nuclear facility, a step that would have amounted to a major concession. But it wasn't enough, Trump said, alluding to additional sites that comprise what is a deeply secretive nuclear program."We asked him to do more and he was unprepared to do that," said Secretary of State Mike Pompeo, who joined Trump on stage for the duration of the news conference. "Everyone had hoped we could do just a little bit better."US and North Korean negotiators had been in Hanoi for days drafting language of a joint agreement ahead of the talks, and the ceremony was listed on a version of the President's public schedule released Wednesday evening. Stephen Biegun, the President's North Korea envoy, arrived several days before Trump to seal the document.During an expanded session with aides, Trump and Kim discussed the prospect of opening a US office in Pyongyang, North Korea's capital. Kim said he would welcome the idea, and Trump deemed it a "good idea."Yet afterward, it appeared the chances for that -- along with any other concessions or agreements -- were dashed, even as the White House insisted the talks were productive.The two leaders departed the Metropole, the French-colonial hotel where the talks unfolded, around 1:30 p.m. local time, roughly four-and-a-half hours after the talks began.They also left without participating in a working lunch, even as chefs had been preparing plates of foie gras and snow fish.Lowered expectationsIf the day ended without a triumphant finish, there were extraordinary moments peppered throughout the day.In unprecedented back-and-forth exchanges with journalists, Kim insisted he was open to denuclearization, though didn't say what he believed that meant.It's believed to be the first time Kim has answered a question from a foreign journalist, a landmark event for the iron-fisted dictator."If I'm not willing to do that I won't be here right now," he said through an interpreter.Kim, for his part, also expressed cautious optimism earlier in the day that a deal would eventually be struck. But he did not suggest such an accord would come soon."It's too early to say," he said in response to a foreign journalist's shouted question. "From what I feel right now, I do have a feeling that good results will come out."He again responded to journalists later in the day, albeit somewhat begrudgingly.The two leaders went back-and-forth over the prospect of exchanging liaison officers -- a low level diplomatic partnership -- after the issue was raised by a journalist.Initially, Kim seemed to reject the question, proposing to Trump that the media be excused from the room. But Trump seemed to goad him to answer, saying it was a good question."I would like to hear that answer," Trump said.Kim responded through his interpreter, saying it would be something that was "welcome-able."Trump expressed a similar sentiment: "I actually think it's a good idea."Kim added it would be better for Trump and him to discuss it together in private.Trump's dual objectivesTrump was 3902

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