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DAVID GREENE, HOST:

In North Carolina, now this could be the last day of testimony in the John Edwards trial. At a federal courthouse, the former presidential candidate is being tried on six counts of campaign finance violations. Prosecutors say Edwards used nearly a million dollars to conceal an affair and hide the child he fathered with a mistress. The defense says Edwards wasn't fully aware of the cover-up and that any money connected with it did not come from campaign contributions.

Jeff Tiberii of North Carolina Public Radio has more.

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DAVID GREENE, HOST:

In New York City, there's a new structure taking shape high above Central Park.

ANNE STRAUSS: Once we started to hoist the modules with an enormous crane, people became aware of it. You can see if from great distances.

STEVE INSKEEP, HOST:

That's Anne Strauss, an associate curator at the New York Metropolitan Museum of Art. She's talking about a new exhibit in the Met's rooftop garden called "Cloud City."

Fragrances for the man candles include Riding Mower, which smells like freshly cut grass, and First Down, which has the smell of orange and leather.

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DAVID GREENE, HOST:

And now to big money that's tied up in a company's pension fund. Tens of thousands of white-collar Ford retirees will soon have a big decision to make: Should they stay in the auto company's pension plan, or take their chances with a lump sum payout instead? The offer is believed to be the first of its kind for such a large, ongoing pension fund.

Michigan Radio's Lindsey Smith reports.

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A proposed study of people in northern Pennsylvania could help resolve a national debate about whether the natural gas boom is making people sick.

The study would look at detailed health histories on hundreds of thousands of people who live near the Marcellus Shale, a rock formation in which energy companies have already drilled about 5,000 natural gas wells.

If the study goes forward, it would be the first large-scale, scientifically rigorous assessment of the health effects of gas production.

The shortage of organs for transplant continues to grow, despite years of work to get more donors on board.

Facebook jumped in this month by making organ-donation status something you could add to your profile. And the social media giant made it easy to connect with a registry to sign up as a donor.

In Ohio, a new congressional district that stretches along Lake Erie between Toledo and Cleveland has become a political portrait of polarized America.

The 9th District is one of the results of Ohio's loss of two representatives following the last census. The primary for the redrawn district pitted two longtime Democratic incumbents against each other. Now the victor, Rep. Marcy Kaptur, is taking on a Republican known for his role in the 2008 presidential election.

It's happening in several congressional races, in states like Nebraska, Montana and Ohio — millions of dollars from out-of-state donors and outside groups are fueling candidates' war chests.