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Home health care aides are waiting to find out if they will be entitled to receive minimum wage. A decades-old amendment in labor law means that the workers, approximately 2.5 million people, do not always receive minimum wage or overtime.

The Obama administration has yet to formally approve revisions to the Fair Labor Standards Act that would change that classification.

Drug-resistant bacteria are a growing problem at hospitals across the country. The bacteria, such as Staphylococcus and Clostridium difficile, are difficult to prevent and impossible to treat.

"The problem is expanding, and it's going up and up and up," explains Dr. Trish Perl of Johns Hopkins Hospital in Baltimore. "We're running out of antibiotics to treat, and so the challenge is can we prevent?"

A 25-year-old man has been charged with killing the author of American Sniper and another person at a Texas gun range.

Former Navy SEAL Chris Kyle wrote American Sniper: The Autobiography of the Most Lethal Sniper in U.S. Military History, a best-seller that detailed his more than 150 kills of insurgents between 1999 and 2009. He also set up FITCO Cares, a nonprofit that helps soldiers deal with post-traumatic stress disorder.

Update at 1:32 p.m. ET. Toll Rises:

The death toll from the coordinated attacks in the oil-rich city of Kirkuk has risen: The BBC says at least 16 people are dead, while Al Jazeera puts the number at at least 30.

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Iran's foreign minister on Sunday welcomed Vice President Joe Biden's comments that the U.S. was willing to hold direct talks with the Islamic republic over its nuclear program.

"We have no red line for bilateral negotiations when it comes to negotiating over a particular subject," Ali Akbar Salehi said at a security conference in Munich, Germany. "If the subject is the nuclear file, yes, we are ready for negotiations but we have to make sure ... that the other side this time comes with authentic intention, with a fair and real intention to resolve the issue."

In response to the growing concern over China's air pollution, a theatrical Chinese entrepreneur is selling cans of fresh air.

Americans seeking stem cell replacement therapy hope the process can heal them of myriad diseases, and a 2011 report by the Baker Institute estimated the industry could bring in $16 billion in revenue by 2020.

On the eve of Super Bowl Sunday, host Laura Sullivan speaks with former NFL lineman Tre Johnson and writer Tom Junod, whose piece in this month's Esquire takes readers into the training room, where players recover from their many injuries. And in many ways, those injuries last a lifetime.

The New York Times doesn't mince words when it writes, "Wayne Shorter is generally acknowledged to be jazz's greatest living composer."

A radical left-wing group is calling Friday's attack on the U.S. Embassy in Turkey "an act of self-sacrifice" against the U.S. The suicide bombing killed an embassy guard and injured several others.

Vice President Joe Biden says the United States is ready to hold direct talks with Iran over its nuclear program — provided that the country's top leader is serious about such discussions.

The Japanese Meteorological Agency says an extremely strong earthquake rattled the northern Japanese island of Hokkaido on Saturday. The magnitude was 6.4. The U.S. Geological Survey's report puts the tremor at a higher magnitude of 6.9; the epicenter was very deep, about 65 miles below ground, near the city of Obihiro. That's about 120 miles east of Hokkaido's largest city, Sapporo.

The White House has released proof that President Obama really did shoot skeet — at least once — at the Maryland presidential retreat, last summer.

"An early spring for you and me," is this year's prediction from Punxsutawney Phil, the premiere Groundhog Day forecaster.

With an estimated 35,000 spectators watching him Saturday morning, the groundhog — or as he is known to his followers, "the seer of seers" — did not see his shadow.

The security situation in Northern Mali has improved with the arrival of the French military last month, so French president Francois Hollande traveled there Saturday for a one-day visit. He didn't stay in the southern capital, Bamako, which has remained under Malian government control, but instead flew north to the ancient city of Timbuktu to meet residents and thank French troops for their work in ousting Islamist rebels from the historic city.

Fresh Air Weekend highlights some of the best interviews and reviews from past weeks, and new program elements specially paced for weekends. Our show emphasizes interviews with writers, filmmakers, actors and musicians, and often includes excerpts from live in-studio concerts. This week: