Folklorist Alan Lomax spent his career documenting folk music traditions from around the world. Now thousands of the songs and interviews he recorded are available for free online, many for the first time. It's part of what Lomax envisioned for the collection — long before the age of the Internet.

As we reported last week, an independent panel reviewing the Mine Safety and Health Administration's (MSHA) role in the 2010 Upper Big Branch mine disaster found that the agency "possibly could have prevented" the explosion that took 29 lives.

Pope Benedict XVI landed in Havana today and he's expected meet Cuban President Raúl Castro.

The pontiff's visit has put Cuba's dictatorship in the spotlight, because during his speeches the Pope has been taking subtle shots at the regime. The Los Angeles Times reports:

Activists who want genetically modified food to be labeled in the U.S. say there's more support than ever for their cause. As evidence, a coalition calling itself Just Label It released the results today of a survey it commissioned from The Mellman Group, a national pollster. The survey found that 91 percent of voters favor the labeling of food with genetically modified ingredients.

A British student has been sentenced to 56 days in jail for posting racist tweets about a soccer player who collapsed on the pitch.

Liam Stacey pleaded guilty to "incitement to racial hatred," after he let loose a barrage of tweets that contained the n-word and crude sexual references. It all started earlier this month, when Fabrice Muamba, a soccer player, collapsed on the pitch and Stacey tweeted that he was dead, followed by "#Haha."

It was a question that seemed to be one of the most difficult for the current solicitor general, Donald Verrilli Jr., to answer persuasively, at least to the obvious satisfaction of the conservative justices: If the individual mandate for the purchase of health insurance was found constitutional, what would limit Congress from passing other laws requiring people to buy products from broccoli to cellphones?

Former Louisiana Gov. Buddy Roemer, a onetime Republican candidate for president now seeking the nomination of both the Reform Party and Americans Elect, said he could be a problem in November for Barack Obama and the eventual GOP nominee.