President Obama tells both Israel and Iran through an interview with The Atlantic that "as president of the United States, I don't bluff," when he leaves open the possibility of a U.S. military strike against Iran's nuclear program.

After weeks of shelling and sniper fire from Syrian Army forces, the people who remain in the Baba Amr district of the city of Homs may finally get some aid from the outside world today.

It would be easy not to have known Continental Airlines has been merged with United for two years. That will change Saturday when all operations and branding are combined under just United. Any hiccups could mean delays throughout the airline's system.

When Joan and Izzy Schwartz got married, they spent their wedding night in a suite at the Waldorf-Astoria Hotel in Manhattan. Back then, the room cost $16.80. For their 60th anniversary, the Waldorf will give the couple a room for the same rate they paid in 1952.

Students at London's Kingston University this week unveiled luxury designs made of bio-degradable materials. There are stilettos made from pistachio shells and coffee beans, a wood-chip corset and a top made from orange peel.

Interest in natural gas vehicles soared in the 1990s and then faded. Twenty years later, the cost of gasoline is going up while the cost of natural gas is going down. And that difference in price explains the resurgent interest in natural gas vehicles.

In Indiana, Fair Oaks Dairy Farm does more than just produce milk — it is also in the transportation business. The farm owns 60 trucks, which deliver milk to a processor halfway across the state. Last September, most of the trucks were converted to natural gas.

Transcript

RENEE MONTAGNE, HOST:

This is MORNING EDITION, from NPR News. I'm Renee Montagne.

The next big day for Republican presidential hopefuls is Super Tuesday. But on the way to Tuesday, the candidates are making stops in Washington state. Republican caucuses there are set for tomorrow morning.

And as NPR's Martin Kaste reports, with the fight for the nomination still tight, for once the caucuses in Washington state may actually mean something to the presidential race.

The district of Baba Amr in the city of Homs had been the heart of the Syrian uprising, where mass protests turned into an armed resistance. Activists say government troops are combing the area, arresting any male over the age of 12.