As membership in private-sector labor unions has continued to nosedive, traditional labor groups have been forced to reevaluate — just as non-union worker groups have emerged. Guest host Jennifer Ludden talks to writer Josh Eidelson about what he calls 'alt-labor.'

During Argentina's so-called Dirty War, thousands were abducted and taken to secret prisons like a place known as "the little school," where many were tortured and killed. Guest host Jennifer Ludden talks to a former prisoner, Alicia Partnoy, about her disappearance and her time there.

ABC News White House correspondent Jonathan Karl now says he regrets that some key parts of a major story he reported on May 10 were wrong.

After uproar over some lesson plans some conservatives deemed un-American, a Texas company has decided scrap a curriculum system used by 877 school districts that were too small or too poor to produce their own.

Men who were diagnosed with ADHD as children are more likely to be obese in adulthood, according to a new study.

The men who had ADHD weighed 19 pounds more at age 41 than otherwise similar men who hadn't had ADHD as boys, the researchers found.

Host Michel Martin looks into why some non-profits are tax exempt, and how something like the recent IRS flap could happen. She speaks with David Cay Johnston, a columnist for Tax Analysts and reporter Brentin Mock of Colorlines.com.

NBC announced Monday that Deborah Turness, the former editor of the British ITV News, will become president of NBC News beginning in August.

Turness, the network said, becomes the first woman to head the news division of one of the Big Three television networks in the United States.

One way to know how much soda people drink is to ask them.

The problem? We tend to underestimate, lie or forget what we've consumed.

And this is a challenge for researchers who study the links between sugar-sweetened beverages and obesity.

A challenge to the way a western New York State town board has had prayers read before its public meetings has made its way to the U.S. Supreme Court.

The justices announced Monday morning that they will hear oral arguments in the case of Greece, N.Y. v. Galloway, Susan.