May 2 marks the 40th anniversary of one of the worst mining disasters in U.S. history. In 1972, a fire broke out underground at the Sunshine Mine in Kellogg, Idaho; 91 men died of carbon monoxide poisoning. The disaster had a devastating effect on Kellogg and the nearby communities in Idaho’s Silver Valley. People who were there still vividly remember the events of that day. Producer Phyllis Silver talks with four people about their memories and how, in a couple of cases, it shaped the rest of their lives.

If you thought the great dam building era of the Northwest was long over, you might be mistaken. But we're not talking about damming rivers here. This is about building long earthen dams to make new off-stream hydropower reservoirs. They're being designed to act as giant batteries and shock absorbers for the electric grid. Correspondent Tom Banse explains.

If history holds, Mitt Romney is still months away from announcing a vice presidential running mate on the Republican ticket. But he continues to make appearances with those who could be on the so-called short list.

Or in Romney's case, it may still be a rather long list.

On Monday, Romney campaigned with freshman Sen. Kelly Ayotte, the 43-year-old former state attorney general, in her home state of New Hampshire.

Here's good news for geezers — or for merely middle-aged folks — who'd like to stay fit and independent far into their later years.

You don't have to lift heavy weights to build muscle strength. Lifting lighter weights can be just as effective if you do it right, and you're much less likely to hurt yourself, researchers say.

An Associated Press investigation has concluded that the U.S. military and its allies in Afghanistan have been "under-reporting the number of times that Afghan soldiers and police open fire on American and other foreign troops."

According to the wire service:

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In a bid to encourage its members to become organ donors, Facebook just announced that "starting today, you can add that you're an organ donor to your timeline, and share your story about when, where or why you decided to become a donor."

Also, Facebook CEO Mark Zuckerberg and COO Sheryl Sandberg write, "if you're not already registered with your state or national registry and want to be, you'll find a link to the official donor registry there as well."

Media mogul Rupert Murdoch is "not a fit person" to lead a major international company, a committee of U.K. parliament members concludes today in a scathing report about the News Corp. chief and the actions of his British tabloids, NPR's Philip Reeves tells our Newscast Desk.

The report also accuses Murdoch's companies of "misleading a parliamentary committee," Philip says, and exhibiting "willful blindness" regarding their illegal activities.

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The president's counterterrorism chief, John Brennan, made another statement yesterday. He argued that drone strikes to kill militants are legal.

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Brennan's remarks were unusual. It's rare that the administration mentions drones at all. Yesterday, Brennan chose to say that the missile strikes by unmanned aircraft which take place in countries like Yemen and Pakistan fit within international law.