National

Not that long ago, female elite athletes thought they had to retire if they wanted to have kids. Now, they're competing throughout pregnancies and getting right back to training once they deliver. In some cases, they're even making the most out of sponsorship deals they might have once lost.

Many cars can now track where we are, how fast we go and lots of other nuggets of information that can be accessed and mined. Some lawmakers and at least one car company say it's time to set some rules on driver privacy.

Farmers can now deliver data from their fields, minute by minute, to big agribusiness companies like Monsanto or John Deere. Those companies promise to use the data to help farmers make money. But some farmers worry that it could threaten their privacy and give the big companies too much power.

Bacardi, Jack Daniels and Johnnie Walker have some new competition these days. There's been a surge in the number of craft distilleries in the U.S. over the past few years, as more mom and pop entrepreneurs are making liquor for local customers.

Retired Olympic figure skater Nancy Kerrigan will take part in NBC's coverage of the Winter Games in Sochi, and commentator Frank Deford hopes she will get the honor she's due.

Among Latinos, no group may have achieved the American dream as fully as Cuban-Americans. Since arriving here, as a community, they've prospered. But our recent poll suggests that for many Cuban-Americans, the dream is becoming elusive.

The Olympic sport is like gymnastics in the air, but in the final few rounds, aerialists can't use the same trick twice. Come go time, they have to figure out which trick to do, based on what their competitors have just done.

An arctic air mass is blanketing the eastern half of the nation today, bringing with it high winds and heavy snow accumulations in some areas. Thousands of flights have been cancelled, schools are closed and federal government offices are closed. Those who don't have to drive or be somewhere also have an opinion on the weather.

As many as 15 percent of babies have colic, which can cause bouts of inconsolable crying. Researchers are testing probiotics to see if these good bacteria can help. But they don't know how the supplements work, or how they may affect children's health long term.

A poll by NPR, the Robert Wood Johnson Foundation and the Harvard School of Public Health finds that nearly 1 in 5 Latinos say diabetes is the major health concern for themselves and their family. In East Los Angeles, where obesity and diabetes are common, community activists are committed to turning the problem around.