NPR News

Updated at 3:30 p.m. ET

The House of Representatives failed to override President Trump's veto on a congressional resolution blocking his national emergency declaration. That executive proclamation paved the way for the administration to spend billions of dollars to construct a barrier along the Southwest border between the U.S. and Mexico after Congress refused to approve the full amount the White House demanded last year.

Updated at 3:20 p.m.

The first of more than 1,600 lawsuits pending against Purdue Pharma, the maker of the opioid OxyContin, has been settled.

The drugmaker has agreed to pay $270 million to fund addiction research and treatment in Oklahoma and pay legal fees.

Oklahoma Attorney General Mike Hunter filed suit two years ago alleging Purdue helped ignite the opioid crisis with aggressive marketing of the blockbuster drug OxyContin and deceptive claims that downplayed the dangers of addiction.

Bump stocks — the gun add-ons that can dramatically increase their rate of fire — are now officially illegal in the U.S., after a Trump administration ban took effect Tuesday. Anyone selling or owning bump stocks could face up to 10 years in federal prison and a fine of $250,000 for each violation.

Chief Justice John Roberts declined to hear an appeal from gun makers on the new ban Tuesday, allowing it to remain in place. A separate appeal that seeks a stay on enforcing the ban is before Justice Sonia Sotomayor.

Updated at 1:40 p.m. ET

The assertion by Attorney General William Barr that special counsel Robert Mueller found the Trump campaign did not conspire with the Russian government in 2016 removes, for now, a major focus of Democrats' messaging.

But it has also given them an opening to turn to an issue they believe is more important to many voters anyway: health care.

Updated at 1:30 p.m. ET

In a significant shift, the Trump administration says the entirety of the Affordable Care Act should be struck down in the courts. Previously, the administration had pushed to remove the law's protections for people with pre-existing conditions but had not argued in court that the whole law should be struck down.

The smell of death hangs in the air – a mix of decomposing flesh and what I can only describe as the odor of pine-scented bleach.

Flies hover over sections of the long tall grass and clusters of fallen rock in Chimanimani, the town in the mountains of Zimbabwe's eastern border with Mozambique. Cyclone Idai made landfall here late on the night of March 14 into the 15th.

An unknown number of residents of the town still lie buried beneath those boulders and in nearby valleys, under rocks from the landslide triggered by the cyclone.

The Missile Defense Agency says it has conducted another successful test of its ground-based interceptor system.

Monday's test involved a missile carrying a dummy warhead fired from Kwajalein Atoll in the Pacific Ocean toward the U.S. West Coast. Sensors tracked the missile as it flew, and then two interceptors were launched from Vandenberg Air Force Base in California.

The Medicaid expansion promoted by the Affordable Care Act was a boon for St. Mary's Medical Center, the largest hospital in western Colorado. Since 2014, the number of uninsured patients it serves has dropped by more than half, saving the nonprofit hospital in Grand Junction more than $3 million a year.

But the prices the hospital charges most insured patients have not gone down.

It was a frigid 15 degrees on the picket line along the railroad tracks in Wilmerding, Pa. More than 100 union members and activists chanted slogans of solidarity and in favor of a fair contract with Wabtec Corporation — a company that builds freight train locomotives. It turned out to be the final hours of a nine-day walkout by 1,700 workers.

Days after three separate suicides in Parkland, Fla., and Newtown, Conn. left those communities reeling, the Senate is doing something rare for a GOP-led chamber: holding a hearing on gun control.

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Updated at 10:45 a.m. ET

The Department of Defense is shifting $1 billion from a military personnel account to build a 57-mile fence at the southern U.S. border, saying the funds were freed up after some service branches fell short of their recruiting goals.

Updated at 12:30 p.m. ET

That is not one small step for women.

History was supposed to be made Friday when, for the first time, two female astronauts were scheduled to do a spacewalk together outside the International Space Station. However, one of the astronauts was switched out this week because of a lack of "spacesuit availability."

Army Gen. Paul Nakasone, who heads both the National Security Agency and the U.S. Cyber Command, usually doesn't say much in public. But recently, he's been on what amounts to a public relations blitz. The message he's pushing is that the U.S. will be more aggressive in confronting and combating rivals in cyberspace.

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