NPR News

A year after South Sudan declared its independence, intractable problems remain: tribal conflict, oil disputes, corruption, hunger and continued fighting. New Yorker staff writer Jon Lee Anderson traveled to the remote Nuba Mountains, in Sudan, where the conflict between north and south rages on.

It's been years since manufacturers voluntarily stopped using the plastic additive BPA (Bisphenol A) in sippy cups and baby bottles. But now they have no choice. The FDA announced it has formally banned BPA from these products.

Last weekend Debbie Dunn, a U.S. sprinter set to compete in the London Olympics, resigned from the team after testing positive for performance-enhancing drugs.

And as the games draw closer, we expect to see more reports of elite athletes who have turned to prohibited substances in their search for stronger, faster, and leaner body.

William Raspberry, who won a Pulitzer Prize for his column in The Washington Post, died today at his home in Washington, his paper reported. He was 76.

High-profile experts are staging two separate Washington press conferences Tuesday to demand action on public-debt problems. One group is targeting state budget crises; the other, the federal budget mess.

If the ancient Greek philosopher Plato were still alive, he might hold a third press conference to declare: "It's hopeless. I told you so. Democracy will always degenerate into chaos because people will vote for their immediate self interests, not the long-term good."

Republican presidential candidate Mitt Romney continued Tuesday to push back on calls to release more years of tax returns and defended keeping investments in offshore accounts — both issues that have been dogging his run for the White House.

The Lawrence Livermore National Laboratory has produced a record-breaking laser beam at its National Ignition Facility. The lab's system of 192 beams produced more than 500 trillion watts and 1.85 megajoules of laser light onto a 2-millimeter in diameter target.

And we know, those numbers sound like gibberish. But the laboratory puts it in every-day terms:

In April, the Vatican announced that three American bishops (one archbishop and two bishops) would be sent to oversee the Leadership Conference of Women Religious, a member organization founded in 1956 that represents 80 percent of Catholic sisters in the United States, to get them to conform with the teachings of the Church.

Republicans on the House Appropriations Committee have inserted into a broad appropriations bill language that would block funding for a Labor Department effort to reduce the occurrence of black lung, the disease that afflicts coal miners exposed to excessive mine dust.

The bill covers appropriations for Fiscal Year 2013 for the Departments of Labor, Education and Health and Human Services. Tucked away deep inside the measure is this language: