National News

President-elect Donald Trump speaks with the media at Trump Tower in New York on Dec. 6, 2016. Ethics experts warn that Trump's business interests could violate the Constitution.

Ethics Lawyers Call Trump's Business Conflicts 'Nakedly Unconstitutional'

Will Donald Trump's new job as president create ethical conflicts with his long-running role as a business owner?

Trump sees no problem. "I have a no-conflict situation, because I'm president," Trump said at a recent press conference. He was correctly referring to the federal conflicts-of-interest law that covers Cabinet secretaries, but not presidents.

A nurse in India looks at x-ray results to see if the patient has tuberculosis.

A Teen's Family Fought To Get Her A Restricted TB Drug — And Won

A teenager who sued the Indian government to gain access to a new drug against multidrug-resistant tuberculosis was granted her petition in a ruling handed down by the New Delhi High Court on January 18, according to the family lawyer. The decision was widely reported in the Indian press.

That drug, bedaquiline, has been approved for use only in a handful of Indian cities and only for the small subset of patients who can demonstrate laboratory evidence of extensively drug resistant TB, or XDR-TB.

Gambians cheers in the city of Bakau on Thursday after watching a broadcast of Adama Barrow being sworn in as Gambian president at the Gambian Embassy in Dakar, Senegal.

West African Troops Enter Gambia As Election Loser Clings To Power

Updated 4:30 p.m. ET

West African troops have crossed the border with Gambia in an effort to uphold the result of the country's presidential election by force.

The winner of the Dec. 1 vote, Adama Barrow, was officially sworn in as president at the country's embassy in neighboring Senegal earlier this afternoon. But Gambia's longtime leader, Yahya Jammeh, has refused to quit power despite mounting regional and international pressure.

An Iranian firefighter walks amid the debris of Tehran's 17-story Plasco building after it became engulfed in flames and collapsed Thursday.

High-Rise Collapses In Tehran, Killing Firefighters Working Inside

A high-rise in downtown Tehran, Iran, caught fire and collapsed on Thursday, killing firefighters who were working inside the building.

Reports suggest at least 20 firefighters died, and many more people — including firefighters and civilians — were injured.

The horrifying scene was "inadvertently shown live on state television," The Associated Press reports, and left other firefighters and eyewitnesses crying in the streets.

More people are believed to be trapped in the rubble, NPR's Peter Kenyon reports, and rescue operations are ongoing.

A solar-powered dome sits on the side of Hawaii's Mauna Loa volcano is part of an experiment in Mars-like living.

5th 'Mars Mission' Simulation Ready For Launch In Hawaii

Later today, six people will enter a dome on a volcano in Hawaii that will be their home for the next eight months, as they simulate a future mission to Mars.

It is the fifth such experiment run by the University of Hawaii and funded by NASA. The latest mission on Mauna Loa, which ended in August 2016, lasted a full year. It is known as the Hawaii Space Exploration Analog and Simulation, or HI-SEAS.

Republican Sen. Lamar Alexander and Education Secretary John B. King Jr. had been in a battle over Title I enforcement for some time.

Education Department Drops Fight Over School Money

The U.S. Department of Education has withdrawn a proposal that could have fundamentally changed the flow of federal dollars to schools that serve low-income students.

Siphiwe Baleka (left) says he gained 15 pounds when he first started driving a truck; food was comfort and exercise was tough to come by. Trucking, he says, is "the most unhealthy occupation in America."<a href=""></a>

Athlete-Turned-Trucker Works To Improve Truckers' Health

On a chilly winter morning, dozens of truck driver trainees file into a classroom at the headquarters of Prime Inc., a trucking company based in Springfield, Mo.

At the front is Siphiwe Baleka, an energetic former swimming champion in his mid-40s. He delivers grim news about trucker health to the new recruits.

"If you haven't started to think about this, you need to start right now," Baleka says. "You are about to enter the most unhealthy occupation in America."

Duncan Green, author of "How Change Happens." He says of activism: "There has to be a little part of you that acknowledges doubt, ambiguity and uncertainty. You have to have room to change direction."

Thinking About Going To A Rally? Read This Activist's Advice First

This weekend, hundreds of thousands of Americans will be taking to the streets — some to celebrate, some to protest the inauguration and others to demonstrate for issues that the president-elect cares about.

If you happen to be one of those people, you might have this nagging question in the back of your mind: Will any of it make a difference?

Treasury Secretary-designate Steven Mnuchin testifies at a confirmation on Capitol Hill. He faced tough questioning from Democrats over his running of a bank that profited off the housing crisis.

WATCH LIVE: Trump Treasury Nominee Defends Profiting Off Foreclosure Crisis

In a tense hearing Thursday morning, the new administration's Treasury Secretary nominee Steven Mnuchin faced scrutiny from Democratic senators concerned about him profiting handsomely off homeowners who lost their homes during the housing crisis.

The Pentagon says many of the ISIS fighters targeted in Wednesday's strike escaped from the former ISIS stronghold of Sirte, shown here during fighting in September.

U.S. Stealth Bombers Strike ISIS Training Camps In Libya

Updated at 12:15 p.m. ET

U.S. B-2 stealth bombers struck two ISIS training camps in the Libyan desert Wednesday night, the Pentagon said.

U.S. Secretary of Defense Ash Carter said the camps housed ISIS fighters, many of whom had escaped the group's former stronghold in Sirte, on Libya's central coast. He added that officials are still working to assess the impact of the strikes, but they believe more than 80 ISIS fighters were killed.