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Twitter CEO Jack Dorsey says "we're ready to question everything" about the social networking site that has been overrun by spam, abuse and misinformation.Dorsey says he and his team are working extensively behind the scenes to stamp out some of the harassment and hate speech that has generated bad headlines lately.But it is a long-term effort, he says, and he is reluctant to commit to an exact timetable for certain changes to Twitter's foundation.In twelve years, "we've changed a lot. But we haven't changed the underlying fundamentals," Dorsey told CNN in an in-depth interview at the company's headquarters on Friday.The basic fundamentals are what he is examining now. For instance: What does Twitter incentivize its users to do?"Every product decision we make is 'telling' them to do something," Dorsey said.So he is thinking about how to help users follow topics and hashtags, not just people."We are aware of some of the silos and how we're isolating people by only giving them crude tools to follow accounts. We need to broaden our thinking and get more back to an interest-based network," he said.Related: Twitter's Jack Dorsey: 'We are not' discriminating against any political viewpointDorsey is also rethinking how follower counts and "likes" on posts are displayed, because the race to gain followers and likes may encourage outrageous behavior.His view is that Twitter needs to be much more "transparent" and open about its actions. But that transparency, some of which was on display during Dorsey's media tour this month, means asking questions without actually answering them.Among the questions Dorsey asked in the CNN interview: "How do we earn peoples' trust?" and "How do we guide people back to healthy conversation?"While he may get credit for asking big, philosophical questions about how his site operates, Dorsey remains vulnerable to criticism about Twitter's inaction.He responded to that by saying "we are taking a lot more action than we ever have in the past." But much of the action is invisible to users, he asserted.For example: The disabling of bot networks and other suspicious accounts. Dorsey said Twitter challenges "10 million accounts every single week to see if they're automations or humans," and takes action accordingly.But Twitter's stock plunged last month when its quarterly earnings report showed a decline in user growth, which the company attributed to its efforts to clean up the site, akin to gardeners removing weeds.Nonetheless, Dorsey is committed to what he calls "conversational health" -- the quality of an exchange on Twitter -- which he is trying to measure with the help of two research groups. He said investors should take a look at the long-term trends: "We see this as necessary and right and we believe in it and we have conviction around it, and we'll take the hit in the short term."Related: Twitter is purging suspicious accounts from your follower countHe also asserted that "over the short term, a lot of this work is invisible, and over the long term, it starts to add up."As for some of the specific changes, like a rethinking of the like button, Dorsey was reluctant to talk about a timeline."We're looking and thinking about all these things right now," he said. So: By the end of the year? "I worry about a time frame like that," he said, "because we also need to take into consideration -- we're a small company. I mean we, in comparison with our peers, we're a small company, but we have this outsized impact and I believe, importance."Later, he added, "We have to understand first the problem we're trying to solve, like what incentives we actually want to drive; not just what we want to remove, but what we want to drive." But he said he knows he wants incentives "that encourage people to talk and to have healthy conversation." 3824

Two soldiers were killed in an Army AH-64E Apache helicopter crash at the local training area of their base in Fort Campbell, Kentucky, Friday night, a statement from the 101st Airborne Division said.The accident happened at about 9:50 p.m. local time Friday evening and involved two soldiers from the 101st Combat Aviation Brigade, the statement said.The crew was conducting routine training when the accident occurred and there were no other casualties, it said. The cause of the accident is under investigation, the Army said.The Army is not releasing the names of the deceased pending notification of the next of kin. 629

VALLEY CENTER, Calif. (KGTV) — A North County student was arrested Friday after a reported school threat.Administrators at Oak Glen High School in Valley Center learned of a potential threat from a suspended, 15-year-old student at about 8 a.m., San Diego Sheriff's Department said. Deputies did not elaborate on the nature of the threat.The high school and nearby Valley Center High were placed in a lock down as deputies responded. Deputies identified the student and soon located and arrested the suspect.SDSO said a search of the student's home was conducted, but no weapons were located.Both high schools were released from their lock downs just after 9 a.m.The student has been booked into Juvenile Hall, SDSO said. Their name was not been released. 763

Utah officials suspended the license of a mortuary in South Salt Lake after reports of employees stealing jewelry from bodies, conducting cremations without identification and leaving bodies outside refrigerators.On Thursday, the Utah Division of Occupational and Professional Licensing released an emergency order suspending the licenses of the Carver Mortuary Service and funeral directors Tanner Carver and Shane Westmoreland.The directors "engaged in conduct which constitutes gross incompetence, gross negligence or a pattern of incompetency," the report stated.But Westmoreland dismissed the claims as being from "disgruntled" former employees."They're making all sorts of claims that are simply not true," Westmoreland told KSL. "There's never been a body here that's been treated with disrespect," he said. "There's never anything that's been stolen."After receiving a license in February 2008, the funeral home provided services for Intermountain Medical Center, Utah's Office of the Medical Examiner and Salt Lake County, according to the report.Two former employees hired at the mortuary earlier this year testified before state regulators, according to the report.Robert Price said he did not hold a license when he was hired as a removal assistant in February. His duties included removing deceased people from various locations, performing cremations and sewing together an autopsy patient.According to the order from the state licensing agency, he said he witnessed the funeral directors violating ethical cremation practices, including cremating infant remains with deceased adults at the same time.This "occurred on a regular basis" during his employment, Price told regulators.Price also reported the cremation retort was not fully emptied after use, and unidentified ashes were thrown away.Although the mortuary kept a cremation log, Price said the log was often incomplete. Cremated persons were sometimes unidentified or missing paperwork authorizing cremation, according to his testimony.Employees also separated "gold and precious metals" from human remains, selling the metals and keeping the "significant" profits, according to the order from the state licensing division.The second employee, Erin Christensen, also did not hold a license when he was hired as a removal assistant in March, according to the order. He was fired from the mortuary in August, the report noted.He testified refrigerators containing bodies was often full, and unembalmed bodies were left outside of the refrigerators for periods of a day or longer.The embalming room was also unsanitary, according to the report, and appliances and services were not cleaned regularly.Both former employees said taking jewelry, watches and rings from bodies was a common practice at the mortuary. Christensen testified he had seen employees wearing the items, the state report said.The funeral directors failed to provide records state inspectors requested from the mortuary, the report stated."The respondents have failed to comply with the ethical standards of the profession that require all deceased persons to be treated with the highest respect and dignity," the report concluded.State officials will hold a formal hearing to decide the final disciplinary action for the mortuary and its operators.Westmoreland believes the company will be vindicated."Once we do explain all these things, I'm confident that they will grant the license back," he said. 3451

Turkey on Wednesday intensified its clash with the United States, announcing heavy new tariffs on some American products including cars, alcohol and tobacco.Turkish Vice President Fuat Oktay said on Twitter that the measures were in response to "the deliberate attack of the US administration on our economy."The Turkish government has doubled its retaliatory tariffs on American cars to 120 percent and on alcoholic drinks to 140 percent, according to a notice published Wednesday. Other affected products include fruit, coal, makeup and rice.Relations between Washington and Ankara have rapidly soured in recent weeks over Turkey's detention of the American pastor Andrew Brunson.The Trump administration announced plans last week to double US tariffs imports of steel and aluminum from Turkey. On Wednesday, a Turkish court rejected a second appeal to release Brunson. 884