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WASHINGTON (AP) — Columbine. Newtown. And now, Parkland.A grim fellowship of parents, teachers and students affected by school shootings over the past two decades was sitting down with President Donald Trump on Wednesday as the White House sought to show resolve against gun violence amid questions about the president's commitment to action.A strong supporter of gun rights, Trump has nonetheless indicated in recent days that he is willing to consider ideas not in keeping with National Rifle Association orthodoxy, included age restrictions for buying assault-type weapons.RELATED: Florida massacre survivors chant 'vote them out' as other students walk out in solidarityThe president is facing growing calls for action on gun control after the mass shooting that took 17 lives at Marjory Stoneman Douglas High School in South Florida.Still, while Trump has said he wants to listen and has offered support for some limited gun-control measures, gun owners are a key part of his base.Throughout the day Wednesday, television news showed footage of student survivors of the violence marching on the Florida state Capitol, calling for tougher laws. The protests came closer to Trump, too, with hundreds of students from suburban Maryland attending a rally at the Capitol and then marching to the White House. 1321

VISTA (CNS) - A man was shot in the knee by someone in a passing car while walking in a Vista neighborhood, authorities said Saturday.The 38-year-old victim said he was walking at about midnight Friday in the 1100 block of North Santa Fe Avenue and looked down to retrieve an item from a bag, according to Sgt. Adrian Moses of the San Diego County Sheriff's Department.As he looked down, he heard a loud bang and fell to the ground with a gunshot wound to his knee, Moses said.A witness heard the gunshot and saw a white Nissan Sentra driven by a woman with a male passenger leave the area on North Santa Fe Avenue, the sergeant said.The victim was taken to Palomar Medical Center for treatment of injuries that were not considered life-threatening, Moses said.There was no surveillance video immediately available and detectives from the Vista sheriff's station were investigating the shooting. 903

Walmart is suing the U.S. government in a pre-emptive strike in the battle over its responsibility in the opioid abuse crisis.The government is expected to take civil action against the world’s largest retailer, seeking big financial penalties, for the role its pharmacies may have played in the crisis by filling opioid prescriptions.But on Thursday, Walmart filed a lawsuit saying that the Justice Department and the Drug Enforcement Administration are blaming the company for the government’s own lack of regulatory and enforcement policies to stem the crisis.Walmart says it is seeking a declaration from a federal judge that the government has no lawful basis for seeking civil damages from the company. It is also seeking to clarify its legal rights and duties under the Controlled Substance Act.Walmart operates more than 5,000 pharmacies in its stores around the country.“Walmart and its pharmacists find themselves in an untenable position,” the company based in Bentonville, Arkansas, says in the lawsuit filed in the U.S. District Court in the Eastern District of Texas. “Under defendants’ sweeping view, Walmart and its pharmacists may be held liable — perhaps even criminally — for failing to second-guess DEA-registered doctors and refuse their prescriptions. But if pharmacists do so, they may face the wrath of state medical boards, the medical community at large, individual doctors, and patients.”Walmart says in the suit that the Justice Department identified hundreds of doctors who have written problematic prescriptions that Walmart’s pharmacists allegedly should not have filled. But nearly 70% continue to have active registrations with the DEA, the lawsuit says.“In other words, defendants want to blame Walmart for continuing to fill purportedly bad prescriptions written by doctors that DEA and state regulators enabled to write those prescriptions in the first place and continue to stand by today,” the suit says.The lawsuit names the Justice Department and Attorney General William Barr as defendants. It also names the DEA and its acting administrator, Timothy Shea.In the suit, Walmart describes a government probe of the company that began in December 2016 and calls it a “misguided criminal investigation” conducted by the U.S. Attorney’s office for the Eastern District of Texas. Walmart says it fully cooperated with the probe.In the spring of 2018, the office advised that it intended to indict the company. In August 2018, Walmart said that officials at the Department of Justice recognized that there was no plausible basis for a criminal indictment, and the department formally declined to prosecute Walmart. But the civil investigation continued.The initial investigation was a subject of a story in ProPublica published in March. ProPublica reported that Joe Brown, then U.S. attorney for the Eastern District of Texas office, spent years pursuing a criminal case against Walmart for its opioid prescription practices, only to have it stymied after the retail giant’s lawyers appealed to senior officials in the Justice Department.Two months later, Brown resigned. He didn’t give a reason for his departure except to say he would be “pursuing opportunities in the private and public sectors” and “some of those will become apparent in the coming days. Brown went into private practice in the Dallas areaA spokeswoman for the U.S. attorney’s office in Texas that handled the investigation referred questions to the Justice Department in Washington. The Justice Department declined to comment. 3541

WASHINGTON (AP) — For much of the United States, invasive grass species are making wildfires more frequent, especially in fire-prone California, a new study finds.Twelve non-native species act as "little arsonist grasses," said study co-author Bethany Bradley, a University of Massachusetts professor of environmental conservation.Wherever the common Mediterranean grass invades, including California's southern desert, fires flare up three times more often. And cheatgrass , which covers about one-third of the Intermountain West, is a big-time fire promoter, Bradley said."I would not be surprised at all if invasive grasses are playing a role in the current fires but I don't think we can attribute to them directly," Bradley said.University of Utah fire expert Phil Dennison, who wasn't part of the study but says it makes sense, said, "In a lot of ways, California was ground zero for invasive grasses. Much of California's native perennial grassland was replaced by Mediterranean annual grasses over a century ago. This study doesn't look at invasive grasses in the areas that are burning in California, but invasive grasses are contributing to the fires there."Experts say the areas burning now in California are more shrubs and grasses than forests, despite what President Donald Trump tweeted over the weekend."This is a global problem," said University of Alberta fire expert Mike Flannigan, who wasn't part of the study but said it makes sense. "I think with climate change and human assistance we are moving to a grass world. One region they should have mentioned is Hawaii where wildfires are increasing in large part due to invasive grasses."Invasive species are spreading more because of climate change as warmer weather moves into new areas, said study lead author Emily Fusco, also of the University of Massachusetts. New England and the Mid-Atlantic are seeing new invasive and more flammable grasses, Bradley said.The study in Monday's journal Proceedings of the National Academy of Sciences looks at the connections between a dozen species of invasive grasses and fires nationwide, finding fires occur more often in places with the non-native grasses. But the study did not find a link between invasive grasses and the size of the fires.Four of these species, including cheatgrass and common Mediterranean grass, are in California. These grasses get dry and then watch out, Fusco said."When you start a fire normally you want kindling," Fusco said. "The grasses are, more or less, like kindling"If someone lights a match and throws in the middle of a forest, it is unlikely a fire will start, but throw it in a field of cheatgrass "and odds are that it's going to catch," Bradley said."We are the reason that invasive species are here. We are the reason that they get spread around," Bradley said.Flanagan noted that invasive plants that are not grasses also feed the wildfire problem.While most outside experts said the study was important, wildfire expert LeRoy Westerling at the University of California, Merced said that with wildfires the size is key so this study is less valuable because it measures frequency.While size matters in forest fires, study author Bradley said mid to small size fires are the ones "in everybody's backyard" and affect people and their buildings more. 3313

WASHINGTON (AP) — Columbine. Newtown. And now, Parkland.A grim fellowship of parents, teachers and students affected by school shootings over the past two decades was sitting down with President Donald Trump on Wednesday as the White House sought to show resolve against gun violence amid questions about the president's commitment to action.A strong supporter of gun rights, Trump has nonetheless indicated in recent days that he is willing to consider ideas not in keeping with National Rifle Association orthodoxy, included age restrictions for buying assault-type weapons.RELATED: Florida massacre survivors chant 'vote them out' as other students walk out in solidarityThe president is facing growing calls for action on gun control after the mass shooting that took 17 lives at Marjory Stoneman Douglas High School in South Florida.Still, while Trump has said he wants to listen and has offered support for some limited gun-control measures, gun owners are a key part of his base.Throughout the day Wednesday, television news showed footage of student survivors of the violence marching on the Florida state Capitol, calling for tougher laws. The protests came closer to Trump, too, with hundreds of students from suburban Maryland attending a rally at the Capitol and then marching to the White House. 1321

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