Many young people expect to spend some time couch-surfing when they're just starting out. For Eric Simmons, the couch came courtesy of an unsuspecting AOL. Simmons had been enrolled in an incubator program at the tech firm's Palo Alto campus. And when the program ended, the card that gave him access to the building kept working. That key card unlocked the solution to his housing problem.

Farm worker advocates and top Obama administration officials have been pushing hard for new regulations that would improve safety for teenagers working on farms. But facing fierce opposition from the agriculture industry and its allies in Congress, the Department of Labor abruptly withdrew a set of rules that advocates said could save dozens of lives every year.

People with extremely rare diseases are often scattered across the world, and any one hospital has a hard time locating enough individuals to conduct meaningful research.

But one woman with an extremely rare heart condition managed to do what many hospitals couldn't. Katherine Leon connected with enough people online to interest the Mayo Clinic in a research trial.

In the world of high-dollar politics, the billionaire industrialists David and Charles Koch are famous for their lavish funding of conservative politicians and causes. But there's another Koch brother — William — who is passionate about many things, but only recently about politics.

Bill Koch is an avid yachtsman, and he set out to win the 1992 America's Cup. It would take four boats, more than 260 team members and single-minded determination.

David Rosow was the team's business manager and is a longtime friend of Koch's.

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DAVID GREENE, HOST:

This is MORNING EDITION, from NPR News. Good morning. I'm David Greene.

The soldier's motto is leave no man behind. And one very visible symbol of that promise is the bracelet worn by many Americans to honor a prisoner of war or a service member missing in action. One bracelet created a rare bond between two people. Both had lost a close family member in service overseas. On this Memorial Day, here's Curt Nickisch of member station WBUR.

Vatican authorities have charged Pope Benedict XVI's butler with illegally possessing secret documents. His arrest is the latest embarrassment for the Vatican. David Greene talks to NPR's Sylvia Poggioli for the latest on the investigation.

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GUY RAZ, HOST:

Every few weeks on the program, we've been running an occasional series called Why Music Matters, where we bring you the stories of music fans in their own words, about how certain songs or even bands have changed their lives. Today's story comes from a young artist in Seattle. Her name is Vivi Perez, and she almost gave up on high school, that is until a community activist group called El Centro de la Raza introduced her to the music business.

VIVI PEREZ: I felt kind of, like, I didn't know where I was going a lot in high school.