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On the Throughline podcast from npr, Immigration enforcement might be more visible now, but this moment didn't begin with President Trump's second inauguration or even his first, a series from Throughline about how immigration became political and a cash cow. Listen to Throughline in the NPR app or wherever you get your podcasts.
Dan Ronan
Live from NPR News in Washington, I'm Dan ronan. Turning Point USA says Charlie Kirk is dead. As NPR's Tamara Keith reports, the 31 year old conservative activist, a close Trump ally, was a driving force in the MAGA movement. He was shot dead while speaking at a college campus in Utah.
Tamara Keith
In a post on Truth Social, Trump says, quote, the great and even legendary Charlie Kirk is dead. Trump adds, he was loved and admired by all, especially me. The president also offers his sympathies to Kirk's wife and the couple's two young children. At 31 years old, Kirk was a popular right wing influencer who helped galvanize young voters in support of Trump. Kirk was speaking at Utah Valley University when he was shot in the neck. It was to be the first on a 15 stop college tour for his organization, Turning Point USA. Republicans and Democrats alike have taken to social media to condemn the shooting, saying political violence has no place. Tamara Keith, NPR News, the White House.
Dan Ronan
The Trump administration's federalization of policing in the nation's capital expires today. But as NPR's Quill Lawrence reports, the the Washington, D.C. national Guard has extended its deployment assisting law enforcement in the District.
Quill Lawrence
The D.C. guard's encampment has been extended through at least November 30, which should guarantee the troops will qualify for uninterrupted benefits and pay, according to National Guard rules. In a Facebook video, Brigadier General Leland Blanchard notes that they're spending time away from their families and their normal day jobs.
Brigadier General Leland Blanchard
Thank you to all of our soldiers and airmen. Thank you to the families. Thank you to our employers. Without you, we couldn't do this.
Quill Lawrence
It's not clear if the other eight states that have sent almost 1400 additional guard will also extend. The White House says crime is down, but the D.C. mayor's office says violent crime had already been falling for months. Quill Lawrence, NPR News.
Dan Ronan
NASA scientists say it's one step closer to learning whether Mars once hosted forms of life. NPR's Bill Chappell reports.
Bill Chappell
NASA researchers say they found potential signatures of life in a rock sample from an ancient river valley on Mars. Nikki Fox is an associate administrator of NASA's Science Mission Directorate.
Nikki Fox
This finding by our Incredible Perseverance Rover is the closest we've actually come to discovering ancient life on Mars.
Bill Chappell
The rock sample has patterns of what researchers call leopard spots made of minerals. Fox says that on Earth, such patterns are often linked to biological processes.
Nikki Fox
It's kind of the equivalent of seeing leftover fossils, you know, leftovers from a meal, and maybe that meal's been excreted by a microbe, and that's what we're seeing in this sample.
Bill Chappell
NASA wants to bring the samples back to Earth for more analysis, but right now there's no plan or money to do that. Bill Chappell, NPR News.
Dan Ronan
It was a mixed day on Wall Street. The Dow declined 220 points. The NASDAQ Addict 6, the S&P had a gain of 19. This is NPR News. Nearly one in five children younger than the age of 13 say they're spending up to four hours every day on social media. NPR's Richard Chatterley reports. That's according to a new study by the Digital Security Co. Aura.
Richard Chatterley
Researchers at Aura looked at data of phone use among 8 to 17 year olds who have the company's software on their phones. Prolonged use of social media by those 13 and under suggests kids either override age verification or use social media excessively with parental consent. They also found that many kids start their mornings by checking their phones repeatedly. Psychologist Scott Collins, chief medical officer of aura, says use of AI chatbots is common among teens.
Brigadier General Leland Blanchard
The average message length is 10 or 12 times longer than the message length that they're just sending a text message to their parent or their friend or even on Snapchat.
Richard Chatterley
He says more than 36% of these conversations involve sexually explicit or romantic scenarios. Ritu Chatterjee, NPR News.
Dan Ronan
Three college basketball players from Fresno State University and San Jose State have been permanently banned by the ncaa. This for betting on their own games. They the NCAA says two of the players did not cooperate with investigators, but one did. The three reportedly shared thousands of dollars in payoffs from the scheme. The players manipulated their performances during the games to impact the outcomes during the 2024, 2025 season. The bets at the time were flagged by a Nevada sportsbook operator. All three are no longer at the schools, and the university in these cases were not punished. I'm Dan Ronan, NPR News, in Washington.
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Host: Dan Ronan
Duration: ~5 minutes
Episode Description:
A concise roundup of the day’s biggest national stories, including the killing of Charlie Kirk, policing in Washington D.C., NASA’s Mars discoveries, kids’ social media trends, and an NCAA betting scandal.
This episode delivers a fast-paced, authoritative summary of major U.S. news developments as of September 10, 2025. The program touches on political violence, national security, space science, youth and technology, and college sports integrity, providing timely information and expert commentary.
"The great and even legendary Charlie Kirk is dead. He was loved and admired by all, especially me."
(Tamara Keith reporting, 00:44)
"Thank you to all of our soldiers and airmen. Thank you to the families. Thank you to our employers. Without you, we couldn't do this."
(Brigadier General Leland Blanchard, 01:58)
"This finding by our Incredible Perseverance Rover is the closest we've actually come to discovering ancient life on Mars."
(Nikki Fox, NASA Science Mission Directorate, 02:38)
"The average message length is 10 or 12 times longer than the message length that they’re just sending a text message to their parent or their friend or even on Snapchat."
(Scott Collins, Aura CMO, 04:05)
In this tightly scripted five-minute newscast, NPR presents the day’s most urgent and momentous updates: the killing of a major right-wing figure and its political reverberations, shifting approaches to D.C. law enforcement, an extraordinary NASA discovery hinting at life beyond Earth, deepening concerns about children’s relationship to social networks and AI, and a major integrity scandal in college basketball. The reporting is straightforward, focused, and aims for balanced context in each story.