National News from NPR

Renee Montagne has business news.

Former Pennsylvania Senator Rick Santorum has been the hot story in the GOP presidential contest this month. Over the weekend, Santorum raised eyebrows with comments on public education, prenatal testing and what he called President Obama's "phony theology." Santorum was making waves just days ahead of the next Republican debate on Wednesday, and the next primaries in Michigan and Arizona six days later.

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RENEE MONTAGNE, HOST:

This is Morning Edition from NPR News. I'm Renee Montagne.

Senegal, on the coast of West Africa, has been something of a model of stability for a region known for its volatility. But this past week has brought protests and violence to Senegal after demonstrations over a presidential election this coming weekend led to clashes with riot police. We've got NPR's Ofeibea Quist-Arcton on the line from the capital Dakar to tell us what is going on there.

Good morning, Ofeibea.

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RENEE MONTAGNE, HOST:

Let's talk more about where Rick Santorum stands and about his rivals, with NPR's national political correspondent Mara Liasson. Good morning.

MARA LIASSON, BYLINE: Good morning, Renee.

MONTAGNE: Now, we just heard from Sonari that Rick Santorum has surged in Michigan, and that would be, of course, Mitt Romney's native state. And that is one that Romney really cannot afford to lose. So what is he doing to stop Santorum, as of today, and what's it looking like?

NPR's Michele Kelemen is a former employee of Voice of America.

Russian anti-corruption crusader Alexei Navalny has been the victim of many dirty tricks by pro-Kremlin media.

But when the U.S. government-funded Voice of America published an online interview that had him criticizing other Russian opposition figures, Navalny quickly tweeted that the interview was a fake.

"It seems the VOA has gone nuts," he wrote to his Twitter followers.

Parents and doctors around the world have been alarmed by the dramatic increase in childhood asthma.

One factor in the upswing is better detection by doctors, but at least one doctor thinks a common over-the-counter drug also has something to do with it.