How do the Iowa caucuses work? A primer for the 2020 election
If you're looking for a refresher on how the caucuses work, or perhaps planning to caucus for the first time, we've put together a step-by-step look at the process.
Adam Brewster - 2020 campaign reporter
How Yang looks to broaden support for his unconventional campaign
"I think we need to outperform expectations," Yang told CBS News.
While leading nationally, Joe Biden faces headwinds in Iowa
In interviews with a dozen top Democratic leaders, officials and strategists, many expressed concerns about Biden's standing in Iowa
Can farmers sow their way out of climate change?
Some agronomists say if farmers and ranchers fully embrace climate-friendly practices, they can help make agriculture carbon-neutral
Mark Sanford revives 1980s campaign question "Where's the beef?"
"The question of this campaign...is where is the beef in delivering on the promises that the Trump campaign made with regard to helping working folks," Sanford said
Iowa Democrats propose satellite caucusing to expand access
Satellite caucusing would allow Iowans who can't attend in-person caucuses on February 3 to participate during extended hours at a location other than their precinct location
Harris bets big on Iowa, says she'll be a top-three candidate there
While Iowa has a history of narrowing the Democratic field, finishing outside of the top two has often not been kind to candidates
Biden releases new Iowa digital health care ad emphasizing family
The ad is aimed at new parents and will target voters who are engaging with products for newborns
Democrats formally scrap proposed "virtual caucus" plans
Nevada and Iowa had proposed allowing voters to participate by voting over the phone instead of in person on caucus day
Klobuchar blasts Trump's handling of renewable fuels industry
The EPA granted 31 small refinery exemption waivers, meaning they don't have to comply with federally mandated levels of biofuels blended into gasoline
Once a rising star, Julián Castro looks to stand out at Detroit debate
The former HUD secretary says he has the experience necessary to be an effective president
As they woo Iowa's religious voters, 2020 Democrats talk faith
"Let's remind everybody that God doesn't belong to a political party," says Buttigieg
Hickenlooper vows to stay in Democratic presidential race
The former Colorado governor is lagging far behind in polls but continues to insist he has no interest in running against Sen. Cory Gardner instead
Excluded from debate, Bullock tries his luck in New Hampshire and Iowa
The Montana governor looks to win over early state voters while 20 of his rivals compete in Miami
Joe Sestak becomes 25th Democrat running for president
Sestak, who made his announcement in a video posted to his campaign website, is a Vietnam War veteran who also served in Iraq and Afghanistan
Sen. Joni Ernst asks supporters to help "stamp out socialism"
Democrats are hoping to take the seat back, especially as President Trump's tariffs have hit the state hard
As 2020 Democrats fight for attention, Biden focuses on Trump
The former vice president is running a general election campaign
Democrats descend on Iowa to take on Trump
Although there were so many Democratic candidates in Iowa that they couldn't avoid each other, the frontrunner in the state was not among them
Biden leads in latest Iowa poll with Warren and Buttigieg rising
Only four other candidates commanded more than 2% in the poll
Dems look to test messages at largest gathering of candidates yet
Nineteen candidates head to Iowa for the state Democratic Party's Hall of Fame Celebration
Michael Bennet introduces climate change plan
He announced his plan just after a weekend of campaigning in Iowa, touring farms and areas affected by extreme flooding
In a crowded field, Democratic candidates look to Iowa's rural voters
"We don't need saviors. We need people that are going to understand and work with us"
Politics
Judge blocks Trump from stripping security clearance from attorney for now
Trump signed an executive order in March saying it was "no longer in the national interest" for attorney Mark Zaid and others to access classified information.
Poll: Spending time with family is what Americans like most about the holidays
More say they will probably talk about family or health, rather than politics, as they gather for the holidays.
Trump suggests pulling licenses if networks are "almost 100% Negative" about him
President Trump said TV broadcast licenses should be revoked if newscasts and late-night shows are almost entirely negative about him and the GOP.
U.S. says China's chip policies are unfair but will delay tariffs to 2027
The U.S. Trade Representative said tariffs on Chinese semiconductors, now at zero, are set to increase in June 2027.
H-1B visa lottery system being replaced as DHS shifts priorities
The Department of Homeland Security says it's replacing its longstanding lottery system for H-1B work visas with an approach that prioritizes skilled, higher-paid foreign workers.
Trump plows ahead with construction plans as preservation group seeks limits
President Trump has overhauled parts of the White House at a sprinter's pace with virtually no oversight, and it appears there is little standing in his way.
19 states and D.C. sue HHS over effort to ban transgender care for minors
The declaration issued by the U.S. Department of Health and Human Services called treatments like puberty blockers, hormone therapy and surgeries unsafe and ineffective for children and adolescents experiencing gender dysphoria.
Student loan borrowers in default could see wages garnished in 2026
The Education Department signaled earlier this year that it would move to resume wage garnishment, among other forms of involuntary collection, for those in default.
Supreme Court says Trump can't deploy National Guard to Chicago for now
President Trump invoked a law called Title 10 to bring members of the Illinois National Guard under federal service over the objections of state and local leaders.
Former GOP Sen. Ben Sasse says he has stage-four pancreatic cancer
Republican Ben Sasse represented Nebraska in the U.S. Senate from 2015 to 2023, then became president of the University of Florida.
FCC banning new foreign-made drones, a move China calls "discriminatory"
The Federal Communications Commission says it's banning new foreign-made drones, a move that will keep new Chinese-made drones out of the U.S. market.
Exclusive
Trump administration seeks to cancel thousands of asylum cases
ICE has filed more than 8,000 requests to toss out asylum claims in immigration court, asking judges to send immigrants to third-party countries.
George Conway files paperwork to run for Congress as Democrat
George Conway, a conservative lawyer turned vocal critic of President Trump, has filed paperwork for a bid to represent New York City in the House.
DOJ releases huge new set of Epstein files with many mentions of Trump
The Justice Department early Tuesday released more than 11,000 additional documents and photos from the Jeffrey Epstein files.
U.S. military hits alleged "low-profile" drug vessel in Pacific, killing 1
The U.S. military says it struck a vessel that was allegedly carrying drugs in the eastern Pacific on Monday, killing one person — part of a months-long campaign of boat strikes near Latin America.
Trump calls release of photos of people in Epstein files "a terrible thing"
President Trump has responded to the release of the Epstein files, saying Monday that the release of photos risked ensnaring "highly respected" people with no connection to Epstein's crimes.
Judge orders plan to return ex-CECOT detainees to U.S. or give them hearings
A federal judge gave the Trump administration two weeks to submit a plan to either return a group of men previously held at a notorious Salvadoran prison to the U.S., or give them a hearing to contest allegations of gang membership.
Blumenthal seeks details on White House ballroom from architect, dinner attendees
Democratic Sen. Richard Blumenthal is pushing for more information on a White House ballroom project championed by President Trump, sending letters to the project's architect and some fundraising dinner attendees.
RFK Jr. says he'll work with agencies to wind down animal testing
Animal rights groups celebrate, but the Trump administration is light on specifics about phasing out federally funded medical testing on animals.
Judge orders Kilmar Abrego Garcia to remain free until at least next week
Kilmar Abrego Garcia — who was mistakenly deported to El Salvador in March — will remain free on supervised release until at least the end of the year.
U.S.
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First responders who ran into nursing home after explosion praised as heroes
The police chief of Bristol Township, Pennsylvania, says the incident response after the nursing home explosion is the largest he's ever seen in 20 years.
Judge blocks Trump from stripping security clearance from attorney for now
Trump signed an executive order in March saying it was "no longer in the national interest" for attorney Mark Zaid and others to access classified information.
Terry Rozier seeks to have charges thrown out in NBA gambling case
His lawyers argued that Rozier's alleged involvement in the wire fraud and money laundering conspiracies is limited.
1 staff member, 1 resident killed in explosions at Pa. nursing home
Bucks County officials say the two people killed after explosions at the Silver Lake Nursing Home were a resident and a staff member.
Oklahoma town's quirky idea to lure visitors becomes year-round draw
In the small town of Chickasha, Oklahoma, it's not just the brightly lit Christmas tree turning heads.
MoneyWatch
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We asked experts to rate the U.S. economy in 2025. Here's what they said.
The economy remained on track this year, defying the gloomiest predictions. That doesn't mean Americans are thrilled with how things are going.
U.S. says China's chip policies are unfair but will delay tariffs to 2027
The U.S. Trade Representative said tariffs on Chinese semiconductors, now at zero, are set to increase in June 2027.
H-1B visa lottery system being replaced as DHS shifts priorities
The Department of Homeland Security says it's replacing its longstanding lottery system for H-1B work visas with an approach that prioritizes skilled, higher-paid foreign workers.
California farming magnate arrested in Arizona in wife's shooting death
A prominent California farmer was arrested in the shooting death of his estranged wife in a remote mountain community in Arizona, authorities said.
What's open on Christmas Eve 2025? See which stores are operating.
Many businesses adjust their hours on Christmas Eve, so it's best to plan ahead if you need to do any last-minute shopping.
Politics
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Judge blocks Trump from stripping security clearance from attorney for now
Trump signed an executive order in March saying it was "no longer in the national interest" for attorney Mark Zaid and others to access classified information.
Poll: Spending time with family is what Americans like most about the holidays
More say they will probably talk about family or health, rather than politics, as they gather for the holidays.
Trump suggests pulling licenses if networks are "almost 100% Negative" about him
President Trump said TV broadcast licenses should be revoked if newscasts and late-night shows are almost entirely negative about him and the GOP.
U.S. says China's chip policies are unfair but will delay tariffs to 2027
The U.S. Trade Representative said tariffs on Chinese semiconductors, now at zero, are set to increase in June 2027.
H-1B visa lottery system being replaced as DHS shifts priorities
The Department of Homeland Security says it's replacing its longstanding lottery system for H-1B work visas with an approach that prioritizes skilled, higher-paid foreign workers.
HealthWatch
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FDA approves Wegovy pill for weight loss
The Food and Drug Administration has approved a pill version of the weight-loss drug Wegovy.
Aetna to cover IVF treatments for same-sex couples in national settlement
A federal judge has approved a preliminary agreement for a class action lawsuit requiring Aetna to cover fertility treatments for same-sex couples as they do with heterosexual couples.
Flu season is ramping up, and some experts are "pretty worried"
Doctors and scientists say this year's influenza season could be tougher than usual, with a new version of the flu virus, called H3N2, spreading quickly.
Finding hope through cancer clinical trials
#LillyPartner Cancer clinical trials can offer patients access to investigational treatments that can be explored as early as the time of diagnosis. Ovarian cancer survivor Alicia Dellario and Dr. Arjun Balar, senior vice president of global clinical development at Eli Lilly and Company, join "CBS Mornings" to talk about the potential benefits of cancer clinical trials -- and clarify common misconceptions. Visit cancerclinicaltrials.lilly.com for more information. (Sponsored by Eli Lilly and Company)
Details on new flu strain as cases rise
The Centers for Disease Control and Prevention estimates there have been 4.6 million flu cases across the U.S. since the season began. Dr. Amanda Kravitz, a pediatrician at Weill Cornell in New York, explains what to know about rising cases, symptoms to watch for and how to protect your family.
World
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Investigators probe plane crash in Turkey that killed Libyan military officials
The private jet carrying Libya's Gen. Muhammad Ali Ahmad al-Haddad and four other military officials crashed on Tuesday.
Thousands attend Christmas Eve events in Bethlehem, the first since Gaza war
Thousands of people traveled from nearby towns and villages to attend Bethlehem's annual Christmas Eve tree lighting ceremony, which was canceled the last two years.
Ukraine peace plan might include demilitarized zones, Zelenskyy says
Ukrainian President Volodymyr Zelenskyy says a plan to end his country's war with Russia might include the establishment of demilitarized zones between Ukrianian and Russian forces.
3 die in explosion in area of Moscow where car bomb killed a general Monday
Three people, including two police officers, were killed in an explosion in Moscow, Russian investigators said, days after a car bomb killed a high-ranking general not far away.
Louvre adds security bars to window used by jewel thieves
Maintenance workers secured metal bars over the window thieves used to break into the Louvre in October.
Entertainment
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Entertainment
NYT movie critic breaks down top 2025 movies
The New York Times movie critic Alissa Wilkinson ranked the top films of 2025. She joins CBS News 24/7 to review this year's list.
Small Oklahoma town pays homage to leg lamp
The leg lamp in "A Christmas Story" might be one of cinema's most iconic props, and one small town in Oklahoma has a special way to celebrate it. Omar Villafranca reports.
Kiefer Sutherland on new comedy "Tinsel Town"
Kiefer Sutherland stars in the new holiday comedy "Tinsel Town," about a washed-up Hollywood actor who lands in a small English town doing a theater production of "Cinderella." He talks about what drew him to the role.
Taylor Swift donates $1 million to Feeding America, group says
Feeding America's CEO said the organization is "incredibly grateful" for Taylor Swift's large donation.
A look at "The Artist" murder mystery series
Actor Mandy Patinkin and writer and director Aram Rappaport are behind the new murder mystery series, "The Artist," which is a work of historical fiction set in the Gilded Age. They speak to "CBS Mornings" about the series and how it got started. Patinkin also reflects on the life of Hollywood icon Rob Reiner.
Technology
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Technology
Instacart ending AI price tests for retailers
Instacart says its ending its controversial system of using AI price tests for retailers. Earlier this month, an investigation by Consumer Reports and progressive think tank Groundwork Collaborative found that Instacart's algorithmic pricing charged various prices for the same item from the same store. Jo Ling Kent reports.
Tech companies push for data centers
Massive tech companies wanting to build more data centers in the U.S. are lobbying for support among Americans, according to a recent report by POLITICO. Gabby Miller joins CBS News with more on her reporting.
How AI powered robots are helping small farms
From labor shortages to environmental impacts, farmers are looking to AI to help revolutionize the agriculture industry. One California startup, Farm-ng, is tapping into the power of AI and robotics to perform a wide range of tasks, including seeding, weeding and harvesting.
Top tech gadgets of 2025
Timothy Werth, a tech editor at Mashable, joins "CBS News 24/7" to discuss the best gadgets of 2025.
Instacart to end AI price tests for retailers following investigation
Instacart had drawn criticism for testing an AI-based system that enabled retailers to charge different prices for the same grocery items.
Science
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Major climate research center on Trump administration chopping block
The Trump administration intends to dismantle one of the world's leading climate research institutions, in Boulder, Colorado, over what it said were concerns about "climate alarmism."
Researchers capture video of rare polar bear adoption
The footage of a bear caring for an adopted cub was captured during the annual polar bear migration along the Western Hudson Bay in Churchill, Manitoba.
Dinosaur tracks showing "herds moving in synchrony" found in Italy
Most of the footprints are elongated and made by bipeds. The best-preserved ones bear traces of at least four toes.
Interstellar comet is making its closest approach to Earth
NASA continues to aim its space telescopes at the visiting ice ball, estimated to be up to 3.5 miles in size.
Fossil footprints in Bolivia reveal dinosaurs' awkward attempts to swim
Paleontologists have discovered and documented 16,600 footprints left by theropods, the dinosaur group that includes the Tyrannosaurus rex.
Crime
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Terry Rozier seeks to have charges thrown out in NBA gambling case
His lawyers argued that Rozier's alleged involvement in the wire fraud and money laundering conspiracies is limited.
California farming magnate arrested in Arizona in wife's shooting death
A prominent California farmer was arrested in the shooting death of his estranged wife in a remote mountain community in Arizona, authorities said.
D.C. National Guard shooting suspect facing 5 additional federal charges
Rahmanullah Lakanwal, a 29-year-old Afghan national, is accused of fatally shooting Army Spc. Sarah Beckstrom and wounding Air Force Staff Sgt. Andrew Wolfe.
Officials: Melodee Buzzard's body recovered
California authorities announced Tuesday they have found the body of 9-year-old Melodee Buzzard and arrested her mother for murder. See the full news conference.
Delaware state trooper killed in DMV shooting
A Delaware state trooper was killed Tuesday during a shooting at a Wilmington DMV, the Delaware State Police said. The state's governor confirmed the shooter is also dead.
Space
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Space
NASA's search for next lunar rover
NASA astronauts took their first drive on the moon 54 years ago. Now, three companies are competing for a NASA contract to build a new lunar rover for use starting with the Artemis 5 mission in 2030. Kris Van Cleave reports.
Artemis 2 astronauts rehearse countdown for upcoming moon launch
NASA is gearing up to send four Artemis astronauts on looping test flight around the moon in 2026.
Woman is first wheelchair user launched into space
A German aerospace engineer made history Saturday, becoming the first wheelchair user to go into space when she took a 10-minute trip aboard a Blue Origin rocket.
Blue Origin safely launches wheelchair user to space and back
German engineer Michaela Benthaus is the first person with a significant physical handicap to reach space.
Jared Isaacman, billionaire who's flown with SpaceX, confirmed to lead NASA
President Trump withdrew Isaacman's nomination for NASA administrator in April, before nominating him again in November.
Latest Galleries
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Notable Deaths in 2025
A look back at the esteemed personalities who've left us this year, who'd touched us with their innovation, creativity and humanity.
Evidence in the Barbara Kendhammer case
Does the evidence show a cover-up, or was Todd Kendhammer wrongfully convicted for the murder of his wife?
The life & near death of prizefighter Christy Salters-Martin
Christy Salters-Martin dominated in the boxing ring but faced her toughest challenger at home.
Timeline: The disappearance of George Smith
Family seeks answers in death of newlywed who disappeared in 2005 while on Mediterranean honeymoon cruise.
Who is Alix Tichelman?
Meet the tattooed beauty charged in the death of Google executive Forrest Hayes.
Latest CBS News Videos
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Latest CBS News Videos
Marking 20 years of "The Elf on the Shelf"
2025 marks a milestone for a Christmas book that sparked a holiday tradition for millions of families: Elf on the Shelf is 20 years old. The first book about the beloved and sometimes mischievous character was published along with the elf doll in 2005. CBS News' Dave Malkoff has more.
Inherent contempt charges over Epstein files
Republican Rep. Thomas Massie and Democratic Rep. Ro Khanna announced late Tuesday that they are bringing inherent contempt charges against Attorney General Pam Bondi over the release of files related to Jeffrey Epstein. CBS News' Jake Rosen has more details.
Legal fights over Trump's White House ballroom
The legal challenges against President Trump's White House ballroom project are expected to continue into the new year. CBS News White House reporter Willie James Inman has more.
Aubrey O'Day on Sean "Diddy" Combs
In an exclusive interview, "Danity Kane" singer Aubrey O'Day opens up about appearing in Netflix's documentary series, "Sean Combs: The Reckoning," where she reveals she learned about an affidavit from an unidentified witness who claims to have seen Combs and another man sexually assault her. O'Day talks about processing the information and her life since the documentary was released. A spokesperson for the music mogul said in a statement, "Mr. Combs categorically denies the allegations referenced in the Netflix documentary and in recent commentary," and says he's never sexually assaulted anyone.
NOAA: Rare flood threat in Southern California
Severe storms in Southern California are prompting concerns about flash floods and mudslides. CBS News correspondent Andres Gutierrez reports from Altadena, California, and CBS News Bay Area meteorologist Zoe Mintz has the latest forecast.