PBS Headlines

This week marks one year since Donald Trump re-entered the White House, and we'll be delving into various aspects of his presidency. Congressional correspondent Lisa Desjardins begins our coverage by looking at his expansion of presidential power and how it's testing Congress and the system of checks and balances rooted in the Constitution.

Amy Walter of the Cook Political Report with Amy Walter and Jasmine Wright of NOTUS join Amna Nawaz to discuss the latest political news, including the relationship between the White House and Republicans in Congress and President Trump's push for Greenland.

The guidance emphasizes red meat, whole milk and other animal sources of protein, while downplaying plant-based offerings. But top nutrition experts question the protein push, saying Americans already consume more protein than they need, and there's no new evidence that people need to drastically ramp up consumption.

Scientists are worried about the melting of Antarctica's ice sheets and what it could mean for sea levels. There's a two-month-long journey underway to conduct research that will better explain what's happening. But it's a journey that provides no guarantees that researchers will even be able to get the data they want. Science correspondent Miles O'Brien reports for our series, Tipping Point.

Minnijean Brown-Trickey is one of the original members of the Little Rock Nine, the teenagers who integrated Central High School after the 1954 Brown v. Board of Education ruling. She shares her Brief But Spectacular take on walking like you belong.

Hawaii's gun laws, long among the strictest in the nation, will be the focus of arguments before the U.S. Supreme Court on Tuesday. The court is taking up the state's ban on firearms on private property that is open to the public, such as stores and hotels, unless the owner explicitly allows it.

In a joint statement, Cardinals Blase Cupich of Chicago, Robert McElroy of Washington and Joseph Tobin of Newark, N.J., warned that without a moral vision, the current debate over Washington's foreign policy was mired in "polarization, partisanship, and narrow economic and social interests."

Radev's decision comes amid public expectation that he will form a new political party. His resignation, the first by a head of state in Bulgaria's post-communist history, comes as the country — which is a member of the European Union and NATO — struggles to overcome a prolonged political crisis.

The fire spread quickly through shops storing cosmetics, garments, and plastic goods. The cause of the blaze is not yet known, and an investigation is underway.

A U.S. official confirms that a $1 billion contribution secures permanent membership, while a three-year appointment requires no contribution.

The move dismantles the Kurdish-led forces that controlled northeast Syria for over a decade.

Trump's Saturday announcement sets up a potentially dangerous test of U.S. partnerships in Europe. He appeared to indicate that he was using the tariffs as leverage to force talks over the status of Greenland.

In the year since Donald Trump's second inauguration fell on the MLK holiday, the Republican president has gone after diversity, equity and inclusion efforts and targeted mostly Black-led cities for federal law enforcement takeovers.

Hackers have disrupted Iranian state TV to air footage supporting the exiled crown prince. The video urged security forces not to target civilians.

Despite lifting the one-child policy to allow three children, the fertility rate remains low. Most families cite the costs and pressure of raising a child in a highly competitive society.

Authorities have ruled out terror or extremist motives, stating it appears to be relationship-based.

Valentino Garavani, the iconic Italian designer known for his glamorous gowns and signature "Valentino red," has died at 93.

The EU is considering countermeasures, including new tariffs and using its Anti-Coercion Instrument.

A livestreamed video posted on the Facebook page of Black Lives Matter Minnesota shows a group of people interrupting services at the Cities Church in St. Paul by chanting "ICE out."

The World Economic Forum, the think tank that hosts the annual event in the Alpine snows starting Tuesday, has a stated motto of "improving the state of the world" and this year's theme is "A spirit of dialogue."